diff --git a/ci/schemas/conda-environment.json b/ci/schemas/conda-environment.json
index 458676942a44..fb1e821778c3 100644
--- a/ci/schemas/conda-environment.json
+++ b/ci/schemas/conda-environment.json
@@ -1,6 +1,6 @@
 {
     "title": "conda environment file",
-    "description": "Support for conda's enviroment.yml files (e.g. `conda env export > environment.yml`)",
+    "description": "Support for conda's environment.yml files (e.g. `conda env export > environment.yml`)",
     "id": "https://raw.githubusercontent.com/Microsoft/vscode-python/main/schemas/conda-environment.json",
     "$schema": "http://json-schema.org/draft-04/schema#",
     "definitions": {
diff --git a/doc/api/prev_api_changes/api_changes_0.90.1.rst b/doc/api/prev_api_changes/api_changes_0.90.1.rst
index 89311d4ed102..8caef5e35ced 100644
--- a/doc/api/prev_api_changes/api_changes_0.90.1.rst
+++ b/doc/api/prev_api_changes/api_changes_0.90.1.rst
@@ -32,7 +32,7 @@ Changes for 0.90.1
     named units.ConversionInterface.convert.
 
     Axes.errorbar uses Axes.vlines and Axes.hlines to draw its error
-    limits int he vertical and horizontal direction.  As you'll see
+    limits in the vertical and horizontal direction.  As you'll see
     in the changes below, these functions now return a LineCollection
     rather than a list of lines.  The new return signature for
     errorbar is  ylins, caplines, errorcollections where
diff --git a/doc/api/prev_api_changes/api_changes_1.5.0.rst b/doc/api/prev_api_changes/api_changes_1.5.0.rst
index b482d8bd7acd..513971098b93 100644
--- a/doc/api/prev_api_changes/api_changes_1.5.0.rst
+++ b/doc/api/prev_api_changes/api_changes_1.5.0.rst
@@ -189,7 +189,7 @@ algorithm that was not necessarily applicable to custom Axes. Three new private
 methods, ``matplotlib.axes._base._AxesBase._get_view``,
 ``matplotlib.axes._base._AxesBase._set_view``, and
 ``matplotlib.axes._base._AxesBase._set_view_from_bbox``, allow for custom
-*Axes* classes to override the pan and zoom algorithms. Implementors of
+*Axes* classes to override the pan and zoom algorithms. Implementers of
 custom *Axes* who override these methods may provide suitable behaviour for
 both pan and zoom as well as the view navigation buttons on the interactive
 toolbars.
diff --git a/doc/users/prev_whats_new/github_stats_3.0.0.rst b/doc/users/prev_whats_new/github_stats_3.0.0.rst
index 0e9c4b3b588d..cae3ee9b570d 100644
--- a/doc/users/prev_whats_new/github_stats_3.0.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.0.0.rst
@@ -595,7 +595,7 @@ Pull Requests (598):
 * :ghpull:`11757`: PGF backend output text color even if black
 * :ghpull:`11751`: Remove the unused 'verbose' option from setupext.
 * :ghpull:`9084`: Require calling a _BoundMethodProxy to get the underlying callable.
-* :ghpull:`11752`: Fix section level of Previous Whats New
+* :ghpull:`11752`: Fix section level of Previous What's New
 * :ghpull:`10513`: Replace most uses of getfilesystemencoding by os.fs{en,de}code.
 * :ghpull:`11739`: fix tight_layout bug #11737
 * :ghpull:`11744`: minor doc update on axes_grid1's inset_axes
@@ -899,7 +899,7 @@ Pull Requests (598):
 * :ghpull:`11075`: Drop alpha channel when saving comparison failure diff image.
 * :ghpull:`9022`: Help tool
 * :ghpull:`11045`: Help tool.
-* :ghpull:`11076`: Don't create texput.{aux,log} in rootdir everytime tests are run.
+* :ghpull:`11076`: Don't create texput.{aux,log} in rootdir every time tests are run
 * :ghpull:`11073`: py3fication of some tests.
 * :ghpull:`11074`: bytes % args is back since py3.5
 * :ghpull:`11066`: Use chained comparisons where reasonable.
@@ -1138,7 +1138,7 @@ Issues (123):
 * :ghissue:`11373`: Passing an incorrectly sized colour list to scatter should raise a relevant error
 * :ghissue:`11756`: pgf backend doesn't set color of text when the color is black
 * :ghissue:`11766`: test_axes.py::test_csd_freqs failing with numpy 1.15.0 on macOS
-* :ghissue:`11750`: previous whats new is overindented on "what's new in mpl3.0 page"
+* :ghissue:`11750`: previous what's new is overindented on "what's new in mpl3.0 page"
 * :ghissue:`11728`: Qt5 Segfaults on window resize
 * :ghissue:`11709`: Repaint region is wrong on Retina display with Qt5
 * :ghissue:`11578`: wx segfaulting on OSX travis tests
@@ -1149,7 +1149,7 @@ Issues (123):
 * :ghissue:`11607`: AttributeError: 'QEvent' object has no attribute 'pos'
 * :ghissue:`11486`: Colorbar does not render with PowerNorm and min extend when using imshow
 * :ghissue:`11582`: wx segfault
-* :ghissue:`11515`: using 'sharex' once in 'subplots' function can affect subsequent calles to 'subplots'
+* :ghissue:`11515`: using 'sharex' once in 'subplots' function can affect subsequent calls to 'subplots'
 * :ghissue:`10269`: input() blocks any rendering and event handling
 * :ghissue:`10345`: Python 3.4 with Matplotlib 1.5 vs Python 3.6 with Matplotlib 2.1
 * :ghissue:`10443`: Drop use of pytz dependency in next major release
diff --git a/doc/users/prev_whats_new/github_stats_3.0.1.rst b/doc/users/prev_whats_new/github_stats_3.0.1.rst
index 95e899d1a9de..8ebc7f5f11c1 100644
--- a/doc/users/prev_whats_new/github_stats_3.0.1.rst
+++ b/doc/users/prev_whats_new/github_stats_3.0.1.rst
@@ -150,7 +150,7 @@ Pull Requests (127):
 * :ghpull:`12230`: Backport PR #12213 on branch v3.0.x (Change win32InstalledFonts return value)
 * :ghpull:`12213`: Change win32InstalledFonts return value
 * :ghpull:`12223`: Backport PR #11688 on branch v3.0.x (Don't draw axis (spines, ticks, labels) twice when using parasite axes.)
-* :ghpull:`12224`: Backport PR #12207 on branch v3.0.x (FIX: dont' check for interactive framework if none required)
+* :ghpull:`12224`: Backport PR #12207 on branch v3.0.x (FIX: don't check for interactive framework if none required)
 * :ghpull:`12207`: FIX: don't check for interactive framework if none required
 * :ghpull:`11688`: Don't draw axis (spines, ticks, labels) twice when using parasite axes.
 * :ghpull:`12205`: Backport PR #12186 on branch v3.0.x (DOC: fix API note about get_tightbbox)
diff --git a/doc/users/prev_whats_new/github_stats_3.0.2.rst b/doc/users/prev_whats_new/github_stats_3.0.2.rst
index c5caed404b62..6b4ef3071f1c 100644
--- a/doc/users/prev_whats_new/github_stats_3.0.2.rst
+++ b/doc/users/prev_whats_new/github_stats_3.0.2.rst
@@ -83,7 +83,7 @@ Pull Requests (224):
 * :ghpull:`12670`: FIX: add setter for hold to un-break basemap
 * :ghpull:`12693`: Workaround Text3D breaking tight_layout()
 * :ghpull:`12727`: Reorder API docs: separate file per module
-* :ghpull:`12738`: Add unobtrusive depreaction note to the first line of the docstring.
+* :ghpull:`12738`: Add unobtrusive deprecation note to the first line of the docstring
 * :ghpull:`12740`: DOC: constrained layout guide (fix: Spacing with colorbars)
 * :ghpull:`11663`: Refactor color parsing of Axes.scatter
 * :ghpull:`12736`: Move deprecation note to end of docstring
@@ -263,7 +263,7 @@ Pull Requests (224):
 * :ghpull:`12227`: Use (float, float) as parameter type for 2D positions
 * :ghpull:`12199`: Allow disabling specific mouse actions in blocking_input
 * :ghpull:`12213`: Change win32InstalledFonts return value
-* :ghpull:`12207`: FIX: dont' check for interactive framework if none required
+* :ghpull:`12207`: FIX: don't check for interactive framework if none required
 * :ghpull:`11688`: Don't draw axis (spines, ticks, labels) twice when using parasite axes.
 * :ghpull:`12210`: Axes.tick_params() argument checking
 * :ghpull:`12211`: Fix typo
diff --git a/doc/users/prev_whats_new/github_stats_3.1.0.rst b/doc/users/prev_whats_new/github_stats_3.1.0.rst
index 97bee1af56b8..a0fb2692fdbb 100644
--- a/doc/users/prev_whats_new/github_stats_3.1.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.1.0.rst
@@ -871,7 +871,7 @@ Pull Requests (918):
 * :ghpull:`12749`: Move toolmanager warning from logging to warning.
 * :ghpull:`12598`: Support Cn colors with n>=10.
 * :ghpull:`12727`: Reorder API docs: separate file per module
-* :ghpull:`12738`: Add unobtrusive depreaction note to the first line of the docstring.
+* :ghpull:`12738`: Add unobtrusive deprecation note to the first line of the docstring
 * :ghpull:`11663`: Refactor color parsing of Axes.scatter
 * :ghpull:`12736`: Move deprecation note to end of docstring
 * :ghpull:`12704`: Rename tkinter import from Tk to tk.
diff --git a/doc/users/prev_whats_new/github_stats_3.1.2.rst b/doc/users/prev_whats_new/github_stats_3.1.2.rst
index e1ed84e26372..d8476cb5c3a8 100644
--- a/doc/users/prev_whats_new/github_stats_3.1.2.rst
+++ b/doc/users/prev_whats_new/github_stats_3.1.2.rst
@@ -172,7 +172,7 @@ Issues (28):
 * :ghissue:`15162`: axes.bar fails when x is int-indexed pandas.Series
 * :ghissue:`15103`: Colorbar for imshow messes interactive cursor with masked data
 * :ghissue:`8744`: ConnectionPatch hidden by plots
-* :ghissue:`14950`: plt.ioff() not supressing figure generation
+* :ghissue:`14950`: plt.ioff() not suppressing figure generation
 * :ghissue:`14959`: Typo in Docs
 * :ghissue:`14902`: from matplotlib import animation UnicodeDecodeError
 * :ghissue:`14897`: New yticks behavior in 3.1.1 vs 3.1.0
diff --git a/doc/users/prev_whats_new/github_stats_3.1.3.rst b/doc/users/prev_whats_new/github_stats_3.1.3.rst
index b4706569df02..f8c1afb0e177 100644
--- a/doc/users/prev_whats_new/github_stats_3.1.3.rst
+++ b/doc/users/prev_whats_new/github_stats_3.1.3.rst
@@ -71,8 +71,8 @@ Pull Requests (45):
 * :ghpull:`15757`: Backport PR #15751 on branch v3.1.x (Modernize FAQ entry for plt.show().)
 * :ghpull:`15735`: Cleanup some mplot3d docstrings.
 * :ghpull:`15753`: Backport PR #15661 on branch v3.1.x (Document scope of 3D scatter depthshading.)
-* :ghpull:`15741`: Backport PR #15729 on branch v3.1.x (Catch correct parse errror type for dateutil >= 2.8.1)
-* :ghpull:`15729`: Catch correct parse errror type for dateutil >= 2.8.1
+* :ghpull:`15741`: Backport PR #15729 on branch v3.1.x (Catch correct parse error type for dateutil >= 2.8.1)
+* :ghpull:`15729`: Catch correct parse error type for dateutil >= 2.8.1
 * :ghpull:`15737`: Fix env override in WebAgg backend test.
 * :ghpull:`15244`: Change documentation format of rcParams defaults
 
diff --git a/doc/users/prev_whats_new/github_stats_3.2.0.rst b/doc/users/prev_whats_new/github_stats_3.2.0.rst
index 3cb3fce5de52..4efdb191494d 100644
--- a/doc/users/prev_whats_new/github_stats_3.2.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.2.0.rst
@@ -264,12 +264,12 @@ Pull Requests (839):
 * :ghpull:`16112`: CI: Fail when failed to install dependencies
 * :ghpull:`16119`: Backport PR #16065 on branch v3.2.x (Nicer formatting of community aspects on front page)
 * :ghpull:`16074`: Backport PR #16061 on branch v3.2.x (Fix deprecation message for axes_grid1.colorbar.)
-* :ghpull:`16093`: Backport PR #16079 on branch v3.2.x (Fix restuctured text formatting)
+* :ghpull:`16093`: Backport PR #16079 on branch v3.2.x (Fix restructured text formatting)
 * :ghpull:`16094`: Backport PR #16080 on branch v3.2.x (Cleanup docstrings in backend_bases.py)
 * :ghpull:`16086`: FIX: use supported attribute to check pillow version
 * :ghpull:`16084`: Backport PR #16077 on branch v3.2.x (Fix some typos)
 * :ghpull:`16077`: Fix some typos
-* :ghpull:`16079`: Fix restuctured text formatting
+* :ghpull:`16079`: Fix restructured text formatting
 * :ghpull:`16080`: Cleanup docstrings in backend_bases.py
 * :ghpull:`16061`: Fix deprecation message for axes_grid1.colorbar.
 * :ghpull:`16006`: Ignore pos in StrCategoryFormatter.__call__ to display correct label in the preview window
@@ -811,7 +811,7 @@ Pull Requests (839):
 * :ghpull:`14310`: Update to Bounding Box for Qt5 FigureCanvasATAgg.paintEvent()
 * :ghpull:`14380`: Inline $MPLLOCALFREETYPE/$PYTEST_ADDOPTS/$NPROC in .travis.yml.
 * :ghpull:`14413`: MAINT: small improvements to the pdf backend
-* :ghpull:`14452`: MAINT: Minor cleanup to make functions more self consisntent
+* :ghpull:`14452`: MAINT: Minor cleanup to make functions more self consistent
 * :ghpull:`14441`: Misc. docstring cleanups.
 * :ghpull:`14440`: Interpolations example
 * :ghpull:`14402`: Prefer ``mpl.get_data_path()``, and support Paths in FontProperties.
@@ -827,7 +827,7 @@ Pull Requests (839):
 * :ghpull:`14311`: travis: add c code coverage measurements
 * :ghpull:`14393`: Remove remaining unicode-strings markers.
 * :ghpull:`14391`: Remove explicit inheritance from object
-* :ghpull:`14343`: acquiring and releaseing keypresslock when textbox is being activated
+* :ghpull:`14343`: acquiring and releasing keypresslock when textbox is being activated
 * :ghpull:`14353`: Register flaky pytest marker.
 * :ghpull:`14373`: Properly hide __has_include to support C++<17 compilers.
 * :ghpull:`14378`: Remove setup_method
diff --git a/doc/users/prev_whats_new/github_stats_3.3.0.rst b/doc/users/prev_whats_new/github_stats_3.3.0.rst
index c2e6cd132c2d..45813659b890 100644
--- a/doc/users/prev_whats_new/github_stats_3.3.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.3.0.rst
@@ -254,7 +254,7 @@ Pull Requests (1066):
 * :ghpull:`17617`: Rewrite pdf test to use check_figures_equal.
 * :ghpull:`17654`: Small fixes to recent What's New
 * :ghpull:`17649`: MNT: make _setattr_cm more forgiving
-* :ghpull:`17644`: Doc 33 whats new consolidation
+* :ghpull:`17644`: Doc 33 what's new consolidation
 * :ghpull:`17647`: Fix example in docstring of cbook._unfold.
 * :ghpull:`10187`: DOC: add a blitting tutorial
 * :ghpull:`17471`: Removed idiomatic constructs from interactive figures docs
@@ -306,7 +306,7 @@ Pull Requests (1066):
 * :ghpull:`17540`: Fix help window on GTK.
 * :ghpull:`17535`: Update docs on subplot2grid / SubplotBase
 * :ghpull:`17510`: Fix exception handling in FT2Font init.
-* :ghpull:`16953`: Changed 'colors' paramater in PyPlot vlines/hlines and Axes vlines/hlines to default to configured rcParams 'lines.color' option
+* :ghpull:`16953`: Changed 'colors' parameter in PyPlot vlines/hlines and Axes vlines/hlines to default to configured rcParams 'lines.color' option
 * :ghpull:`17459`: Use light icons on dark themes for wx and gtk, too.
 * :ghpull:`17539`: Use symbolic icons for buttons in GTK toolbar.
 * :ghpull:`15435`: Reuse png metadata handling of imsave() in FigureCanvasAgg.print_png().
@@ -469,7 +469,7 @@ Pull Requests (1066):
 * :ghpull:`15008`: ENH: add variable epoch
 * :ghpull:`17260`: Text Rotation Example: Correct roation_mode typo
 * :ghpull:`17258`: Improve info logged by tex subsystem.
-* :ghpull:`17211`: Deprecate support for running svg converter from path contaning newline.
+* :ghpull:`17211`: Deprecate support for running svg converter from path containing newline.
 * :ghpull:`17078`: Improve nbAgg & WebAgg toolbars
 * :ghpull:`17191`: Inline unsampled-image path; remove renderer kwarg from _check_unsampled_image.
 * :ghpull:`17213`: Replace use of Bbox.bounds by appropriate properties.
@@ -604,7 +604,7 @@ Pull Requests (1066):
 * :ghpull:`16823`: Dedupe implementation of axes grid switching in toolmanager.
 * :ghpull:`16951`: Cleanup dates docstrings.
 * :ghpull:`16769`: Fix some small style issues
-* :ghpull:`16936`: FIX: Plot is now rendered with correct inital value
+* :ghpull:`16936`: FIX: Plot is now rendered with correct initial value
 * :ghpull:`16937`: Making sure to keep over/under/bad in cmap resample/reverse.
 * :ghpull:`16915`: Tighten/cleanup wx backend.
 * :ghpull:`16923`: Test the macosx backend on Travis.
@@ -860,7 +860,7 @@ Pull Requests (1066):
 * :ghpull:`16439`: Rework pylab docstring.
 * :ghpull:`16441`: Rework pylab docstring.
 * :ghpull:`16442`: Expire deprecation of \stackrel.
-* :ghpull:`16365`: TST: test_acorr (replaced image comparison with figure comparion)
+* :ghpull:`16365`: TST: test_acorr (replaced image comparison with figure comparison)
 * :ghpull:`16206`: Expire deprecation of \stackrel
 * :ghpull:`16437`: Rework pylab docstring.
 * :ghpull:`8896`: Fix mplot3d projection
@@ -898,7 +898,7 @@ Pull Requests (1066):
 * :ghpull:`16304`: Simplify Legend.get_children.
 * :ghpull:`16309`: Remove duplicated computations in Axes.get_tightbbox.
 * :ghpull:`16314`: Avoid repeatedly warning about too many figures open.
-* :ghpull:`16319`: Put doc for XAxis befor YAxis and likewise for XTick, YTick.
+* :ghpull:`16319`: Put doc for XAxis before YAxis and likewise for XTick, YTick.
 * :ghpull:`16313`: Cleanup constrainedlayout_guide.
 * :ghpull:`16312`: Remove unnecessary Legend._approx_text_height.
 * :ghpull:`16307`: Cleanup axes_demo.
@@ -991,7 +991,7 @@ Pull Requests (1066):
 * :ghpull:`16078`: Refactor a bit animation start/save interaction.
 * :ghpull:`16081`: Delay resolution of animation extra_args.
 * :ghpull:`16088`: Use C++ true/false in ttconv.
-* :ghpull:`16082`: Defaut to writing animation frames to a temporary directory.
+* :ghpull:`16082`: Default to writing animation frames to a temporary directory.
 * :ghpull:`16070`: Make animation blit cache robust against 3d viewpoint changes.
 * :ghpull:`5056`: MNT: more control of colorbar with CountourSet
 * :ghpull:`16051`: Deprecate parameters to colorbar which have no effect.
@@ -1133,7 +1133,7 @@ Pull Requests (1066):
 * :ghpull:`15645`: Bump minimal numpy version to 1.12.
 * :ghpull:`15646`: Hide sphinx-gallery config comments
 * :ghpull:`15642`: Remove interpolation="nearest" from most examples.
-* :ghpull:`15671`: Don't mention tcl in tkagg commments anymore.
+* :ghpull:`15671`: Don't mention tcl in tkagg comments anymore.
 * :ghpull:`15607`: Simplify tk loader.
 * :ghpull:`15651`: Simplify axes_pad handling in axes_grid.
 * :ghpull:`15652`: Remove mention of Enthought Canopy from the docs.
@@ -1400,7 +1400,7 @@ Issues (198):
 * :ghissue:`16299`: The interactive polar plot animation's axis label won't scale.
 * :ghissue:`15182`: More tests ``ConciseDateFormatter`` needed
 * :ghissue:`16140`: Unclear Documentation for get_xticklabels
-* :ghissue:`16147`: pp.hist parmeter 'density' does not scale data appropriately
+* :ghissue:`16147`: pp.hist parameter 'density' does not scale data appropriately
 * :ghissue:`16069`: matplotlib glitch when rotating interactively a 3d animation
 * :ghissue:`14603`: Scatterplot: should vmin/vmax be ignored when a norm is specified?
 * :ghissue:`15730`: Setting lines.marker = s in matplotlibrc also sets markers in boxplots
@@ -1423,7 +1423,7 @@ Issues (198):
 * :ghissue:`15089`: Coerce MxNx1 images into MxN images for imshow
 * :ghissue:`5253`: abline() - for drawing arbitrary lines on a plot, given specifications.
 * :ghissue:`15165`: Switch to requiring Pillow rather than having our own png wrapper?
-* :ghissue:`15280`: Add pull request checklist to Reviewers Guidlines
+* :ghissue:`15280`: Add pull request checklist to Reviewers Guidelines
 * :ghissue:`15289`: cbook.warn_deprecated() should warn with a MatplotlibDeprecationWarning not a UserWarning
 * :ghissue:`15285`: DOC: make copy right year auto-update
 * :ghissue:`15059`: fig.add_axes() with no arguments silently does nothing
diff --git a/doc/users/prev_whats_new/github_stats_3.3.1.rst b/doc/users/prev_whats_new/github_stats_3.3.1.rst
index 3fa2d39a4d90..dc8e9996313f 100644
--- a/doc/users/prev_whats_new/github_stats_3.3.1.rst
+++ b/doc/users/prev_whats_new/github_stats_3.3.1.rst
@@ -102,16 +102,16 @@ Pull Requests (73):
 * :ghpull:`17995`: Avoid using Bbox machinery in Path.get_extents; special case polylines.
 * :ghpull:`17994`: Special case degree-1 Bezier curves.
 * :ghpull:`17990`: Manual backport of pr 17983 on v3.3.x
-* :ghpull:`17984`: Backport PR #17972 on branch v3.3.x (Fix PyPy compatiblity issue)
+* :ghpull:`17984`: Backport PR #17972 on branch v3.3.x (Fix PyPy compatibility issue)
 * :ghpull:`17985`: Backport PR #17976 on branch v3.3.x (Fixed #17970 - Docstrings should not accessed with -OO)
 * :ghpull:`17983`: FIX: undeprecate and update num2epoch/epoch2num
 * :ghpull:`17976`: Fixed #17970 - Docstrings should not accessed with -OO
-* :ghpull:`17972`: Fix PyPy compatiblity issue
+* :ghpull:`17972`: Fix PyPy compatibility issue
 
 Issues (25):
 
 * :ghissue:`18234`: _reshape_2D function behavior changed, breaks hist for some cases in 3.3.0
-* :ghissue:`18232`: different behaviour between 3.3.0 and 3.2.2 (and earlier) for ploting in a Tk canvas
+* :ghissue:`18232`: different behaviour between 3.3.0 and 3.2.2 (and earlier) for plotting in a Tk canvas
 * :ghissue:`18212`: Updated WxAgg NavigationToolbar2 breaks custom toolbars
 * :ghissue:`18129`: Error reading png image from URL with imread in matplotlib 3.3
 * :ghissue:`18163`: Figure cannot be closed if it has associated Agg canvas
diff --git a/doc/users/prev_whats_new/github_stats_3.4.0.rst b/doc/users/prev_whats_new/github_stats_3.4.0.rst
index b2568058b455..fb6f0044d139 100644
--- a/doc/users/prev_whats_new/github_stats_3.4.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.4.0.rst
@@ -426,9 +426,9 @@ Pull Requests (772):
 * :ghpull:`19207`: Fix Grouper example code
 * :ghpull:`19204`: Clarify Date Format Example
 * :ghpull:`19200`: Fix incorrect statement regarding test images cache size.
-* :ghpull:`19198`: Fix link in contrbuting docs
+* :ghpull:`19198`: Fix link in contributing docs
 * :ghpull:`19196`: Fix PR welcome action
-* :ghpull:`19188`: Cleanup comparision between X11/CSS4 and xkcd colors
+* :ghpull:`19188`: Cleanup comparison between X11/CSS4 and xkcd colors
 * :ghpull:`19194`: Fix trivial quiver doc typo.
 * :ghpull:`19180`: Fix Artist.remove_callback()
 * :ghpull:`19192`: Fixed part of Issue - #19100, changed documentation for axisartist
@@ -472,7 +472,7 @@ Pull Requests (772):
 * :ghpull:`19127`: Cleanups to webagg & friends.
 * :ghpull:`19122`: FIX/DOC - make Text doscstring interp more easily searchable
 * :ghpull:`19106`: Support setting rcParams["image.cmap"] to Colormap instances.
-* :ghpull:`19085`: FIX: update a transfrom from transFigure to transSubfigure
+* :ghpull:`19085`: FIX: update a transform from transFigure to transSubfigure
 * :ghpull:`19117`: Rename a confusing variable.
 * :ghpull:`18647`: Axes.axline: implement support transform argument (for points but not slope)
 * :ghpull:`16220`: Fix interaction with unpickled 3d plots.
@@ -701,7 +701,7 @@ Pull Requests (772):
 * :ghpull:`18564`: Prepare for merging SubplotBase into AxesBase.
 * :ghpull:`15127`: ENH/API: improvements to register_cmap
 * :ghpull:`18576`: DOC: prefer colormap over color map
-* :ghpull:`18340`: Colorbar grid postion
+* :ghpull:`18340`: Colorbar grid position
 * :ghpull:`18568`: Added Reporting to code_of_conduct.md
 * :ghpull:`18555`: Convert _math_style_dict into an Enum.
 * :ghpull:`18567`: Replace subplot(ijk) calls by subplots(i, j)
@@ -759,7 +759,7 @@ Pull Requests (772):
 * :ghpull:`18449`: Remove the private Axes._set_position.
 * :ghpull:`18460`: DOC: example gray level in 'Specifying Colors' tutorial
 * :ghpull:`18426`: plot directive: caption-option
-* :ghpull:`18444`: Support doubleclick in webagg/nbagg
+* :ghpull:`18444`: Support double-click in webagg/nbagg
 * :ghpull:`12518`: Example showing scale-invariant angle arc
 * :ghpull:`18446`: Normalize properties passed to ToolHandles.
 * :ghpull:`18445`: Warn if an animation is gc'd before doing anything.
@@ -808,9 +808,9 @@ Pull Requests (772):
 * :ghpull:`17901`: DOC: Autoreformating of backend/\*.py
 * :ghpull:`17291`: Normalize gridspec ratios to lists in the setter.
 * :ghpull:`18226`: Use CallbackRegistry in Widgets and some related cleanup
-* :ghpull:`18203`: Force locator and formatter inheritence
+* :ghpull:`18203`: Force locator and formatter inheritance
 * :ghpull:`18279`: boxplot: Add conf_intervals reference to notch docs.
-* :ghpull:`18276`: Fix autoscaling to exclude inifinite data limits when possible.
+* :ghpull:`18276`: Fix autoscaling to exclude infinite data limits when possible.
 * :ghpull:`18261`: Migrate tk backend tests into subprocesses
 * :ghpull:`17961`: DOCS: Remove How-to: Contributing
 * :ghpull:`18201`: Remove mpl.colors deprecations for 3.4
@@ -964,7 +964,7 @@ Pull Requests (772):
 * :ghpull:`17697`: Add description examples/pyplots/pyplot simple.py
 * :ghpull:`17694`: CI: Only skip devdocs deploy if PR is to this repo.
 * :ghpull:`17691`: ci: Print out reasons for not deploying docs.
-* :ghpull:`17099`: Make Spines accessable by the attributes.
+* :ghpull:`17099`: Make Spines accessible by the attributes
 
 Issues (204):
 
@@ -1044,7 +1044,7 @@ Issues (204):
 * :ghissue:`19099`: axisartist axis_direction bug
 * :ghissue:`19171`: 3D surface example bug for non-square grid
 * :ghissue:`18112`: set_{x,y,z}bound 3d limits are not persistent upon interactive rotation
-* :ghissue:`19078`: _update_patch_limits should not use CLOSEPOLY verticies for updating
+* :ghissue:`19078`: _update_patch_limits should not use CLOSEPOLY vertices for updating
 * :ghissue:`16123`: test_dpi_ratio_change fails on Windows/Qt5Agg
 * :ghissue:`15796`: [DOC] PDF build of matplotlib own documentation crashes with LaTeX error "too deeply nested"
 * :ghissue:`19091`: 3D Axes don't work in SubFigures
@@ -1091,13 +1091,13 @@ Issues (204):
 * :ghissue:`18641`: Conversion cache cleaning is broken with xdist
 * :ghissue:`15614`: named color examples need borders
 * :ghissue:`5519`: The linestyle 'None',  ' ' and '' not supported by PathPatch.
-* :ghissue:`17487`: Polygon selector with useblit=True - polygon dissapears
+* :ghissue:`17487`: Polygon selector with useblit=True - polygon disappears
 * :ghissue:`17476`: RectangleSelector fails to clear itself after being toggled inactive and then back to active.
 * :ghissue:`18600`: plt.errorbar raises error when given marker=<matplotlib.markers.MarkerStyle object>
 * :ghissue:`18355`: Optional components required to build docs aren't documented
 * :ghissue:`18428`: small bug in the mtplotlib gallery
 * :ghissue:`4438`: inconsistent behaviour of the errorevery option in pyplot.errorbar() to the markevery keyword
-* :ghissue:`5823`: pleas dont include the Google Analytics tracking in the off-line doc
+* :ghissue:`5823`: please don't include the Google Analytics tracking in the off-line doc
 * :ghissue:`13035`: Path3DCollection from 3D scatter cannot set_color
 * :ghissue:`9725`: scatter - set_facecolors is not working on Axes3D
 * :ghissue:`3370`: Patch3DCollection doesn't update color after calling set_color
@@ -1123,12 +1123,12 @@ Issues (204):
 * :ghissue:`17712`: constrained_layout fails on suptitle+colorbars+some figure sizes
 * :ghissue:`14638`: colorbar.make_axes doesn't anchor in constrained_layout
 * :ghissue:`18299`: New configure_subplots behaves badly on TkAgg backend
-* :ghissue:`18300`: Remove the examples category "Our Favorite Recipies"
+* :ghissue:`18300`: Remove the examples category "Our Favorite Recipes"
 * :ghissue:`18077`: Imshow breaks if given a unyt_array input
 * :ghissue:`7074`: Using a linestyle cycler with plt.errorbar results in strange plots
 * :ghissue:`18236`: FuncAnimation fails to display with interval 0 on Tkagg backend
 * :ghissue:`8107`:  invalid command name "..._on_timer" in FuncAnimation for (too) small interval
-* :ghissue:`18272`: Add CI Intervall to boxplot notch documentation
+* :ghissue:`18272`: Add CI Interval to boxplot notch documentation
 * :ghissue:`18137`: axhspan() in empty plots changes the xlimits of plots sharing the X axis
 * :ghissue:`18246`: test_never_update is flaky
 * :ghissue:`5856`: Horizontal stem plot
@@ -1146,7 +1146,7 @@ Issues (204):
 * :ghissue:`12198`: axvline incorrectly tries to handle unitized ymin, ymax
 * :ghissue:`9139`: Python3 matplotlib 2.0.2 with Times New Roman misses unicode minus sign in pdf
 * :ghissue:`5970`: pyplot.scatter raises obscure error when mistakenly passed a third string param
-* :ghissue:`17936`: documenattion and behavior do not match for suppressing (PDF) metadata
+* :ghissue:`17936`: documentation and behavior do not match for suppressing (PDF) metadata
 * :ghissue:`17932`: latex textrm does not work in Cairo backend
 * :ghissue:`17714`: Universal fullscreen command
 * :ghissue:`4584`: ColorbarBase draws edges in slightly wrong positions.
@@ -1161,7 +1161,7 @@ Issues (204):
 * :ghissue:`15821`: Should constrained_layout work as plt.figure() argument?
 * :ghissue:`15616`: Colormaps should have a ``_repr_html_`` that is an image of the colormap
 * :ghissue:`17579`: ``BoundaryNorm`` yield a ``ZeroDivisionError: division by zero``
-* :ghissue:`17652`: NEP 29 : Stop support fro Python 3.6 soon ?
+* :ghissue:`17652`: NEP 29 : Stop support for Python 3.6 soon ?
 * :ghissue:`11095`: Repeated plot calls with xunits=None throws exception
 * :ghissue:`17733`: Rename "array" (and perhaps "fields") section of Axes API
 * :ghissue:`15610`: Link to most recent DevDocs when installing from Master Source
diff --git a/doc/users/prev_whats_new/github_stats_3.4.2.rst b/doc/users/prev_whats_new/github_stats_3.4.2.rst
index 22b4797c2fc2..d16a69b43151 100644
--- a/doc/users/prev_whats_new/github_stats_3.4.2.rst
+++ b/doc/users/prev_whats_new/github_stats_3.4.2.rst
@@ -146,7 +146,7 @@ Issues (21):
 * :ghissue:`19960`: Failed to init RangeSlider with valinit attribute
 * :ghissue:`19736`: subplot_mosaic axes are not added in consistent order
 * :ghissue:`19979`: Blank EPS figures if plot contains 'd'
-* :ghissue:`19938`: unuseful deprecation warning figbox
+* :ghissue:`19938`: useless deprecation warning figbox
 * :ghissue:`19958`: subfigures missing bbox_inches attribute in inline backend
 * :ghissue:`19936`: Errorbars elinewidth raise error when numpy array
 * :ghissue:`19879`: Using "drawstyle" raises AttributeError in errorbar, when yerr is specified.
diff --git a/doc/users/prev_whats_new/github_stats_3.4.3.rst b/doc/users/prev_whats_new/github_stats_3.4.3.rst
index b248bf69b6ef..ff98041e2d72 100644
--- a/doc/users/prev_whats_new/github_stats_3.4.3.rst
+++ b/doc/users/prev_whats_new/github_stats_3.4.3.rst
@@ -119,7 +119,7 @@ Issues (22):
 * :ghissue:`20628`: Out-of-bounds read leads to crash or broken TrueType fonts
 * :ghissue:`20612`: Broken EPS for Type 42 STIX
 * :ghissue:`19982`: regression for 3.4.x - ax.figbox replacement incompatible to all version including 3.3.4
-* :ghissue:`19938`: unuseful deprecation warning figbox
+* :ghissue:`19938`: useless deprecation warning figbox
 * :ghissue:`16400`: Inconsistent behavior between Normalizers when input is Dataframe
 * :ghissue:`20583`: Lost class descriptions since 3.4 docs
 * :ghissue:`20551`: set_segments(get_segments()) makes lines coarse
diff --git a/doc/users/prev_whats_new/github_stats_3.5.0.rst b/doc/users/prev_whats_new/github_stats_3.5.0.rst
index bde4d917b38b..c39b614e7bad 100644
--- a/doc/users/prev_whats_new/github_stats_3.5.0.rst
+++ b/doc/users/prev_whats_new/github_stats_3.5.0.rst
@@ -1121,7 +1121,7 @@ Issues (187):
 * :ghissue:`20847`: [Bug]: Contourf not filling contours.
 * :ghissue:`21300`: [Bug]: zooming in on contour plot gives false extra contour lines
 * :ghissue:`21466`: [Bug]: EPS export shows hidden tick labels when using tex for text rendering
-* :ghissue:`21463`: [Bug]: Plotting lables with Greek latters in math mode produces Parsing error when plt.show() runs
+* :ghissue:`21463`: [Bug]: Plotting labels with Greek latters in math mode produces Parsing error when plt.show() runs
 * :ghissue:`20534`: Document formatting for sections
 * :ghissue:`21246`: [Doc]: Install info takes up too much room on new front page
 * :ghissue:`21432`: [Doc]: Double clicking parameter name also highlights next item of text
@@ -1157,7 +1157,7 @@ Issues (187):
 * :ghissue:`16251`: API changes are too hard to find in the rendered docs
 * :ghissue:`20770`: [Doc]: How to replicate behaviour of ``plt.gca(projection=...)``?
 * :ghissue:`17052`: Colorbar update error with clim change in multi_image.py example
-* :ghissue:`4387`: make ``Normalize`` objects notifiy scalar-mappables on changes
+* :ghissue:`4387`: make ``Normalize`` objects notify scalar-mappables on changes
 * :ghissue:`20001`: rename fig.draw_no_output
 * :ghissue:`20936`: [Bug]: edgecolor 'auto' doesn't work properly
 * :ghissue:`20909`: [Bug]: Animation error message
@@ -1241,7 +1241,7 @@ Issues (187):
 * :ghissue:`17508`: Quadmesh.set_array should validate dimensions
 * :ghissue:`20372`: Incorrect axes positioning in axes_grid.Grid with direction='column'
 * :ghissue:`19419`: Dev version hard to check
-* :ghissue:`17310`: Matplotlib git master version fails to pass serveral pytest's tests.
+* :ghissue:`17310`: Matplotlib git master version fails to pass several pytest's tests
 * :ghissue:`7742`: plot_date() after axhline() doesn't rescale axes
 * :ghissue:`20322`: QuadMesh default for shading inadvertently changed.
 * :ghissue:`9653`: SVG savefig + LaTeX extremely slow on macOS
diff --git a/doc/users/prev_whats_new/github_stats_3.5.1.rst b/doc/users/prev_whats_new/github_stats_3.5.1.rst
index 7eb37b769d6c..626cf319c23c 100644
--- a/doc/users/prev_whats_new/github_stats_3.5.1.rst
+++ b/doc/users/prev_whats_new/github_stats_3.5.1.rst
@@ -131,7 +131,7 @@ Issues (29):
 * :ghissue:`21803`: [Bug]: using ``set_offsets`` on scatter object raises TypeError
 * :ghissue:`21839`: [Bug]: Top of plot clipped when using Subfigures without suptitle
 * :ghissue:`21841`: [Bug]: Wrong tick labels and colorbar of discrete normalizer
-* :ghissue:`21783`: [MNT]: wheel of 3.5.0 apears to depend on setuptools-scm which apears to be unintentional
+* :ghissue:`21783`: [MNT]: wheel of 3.5.0 appears to depend on setuptools-scm which appears to be unintentional
 * :ghissue:`21733`: [Bug]: Possible bug on arrows in annotation
 * :ghissue:`21749`: [Bug]: Regression on ``tight_layout`` when manually adding axes for colorbars
 * :ghissue:`19197`: Unexpected error after using Figure.canvas.draw on macosx backend
diff --git a/doc/users/prev_whats_new/whats_new_3.10.0.rst b/doc/users/prev_whats_new/whats_new_3.10.0.rst
index 06282cedad9a..f1231be53cc4 100644
--- a/doc/users/prev_whats_new/whats_new_3.10.0.rst
+++ b/doc/users/prev_whats_new/whats_new_3.10.0.rst
@@ -329,7 +329,9 @@ In the following example the norm and cmap are changed on multiple plots simulta
     colorizer.vmax = 2
     colorizer.cmap = 'RdBu'
 
-All plotting methods that use a data-to-color pipeline now create a colorizer object if one is not provided. This can be re-used by subsequent artists such that they will share a single data-to-color pipeline:
+All plotting methods that use a data-to-color pipeline now create a colorizer object if
+one is not provided. This can be reused by subsequent artists such that they will share
+a single data-to-color pipeline:
 
 .. plot::
     :include-source: true
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index 87d42b4d3014..e5175ea8761c 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -897,7 +897,7 @@ def _request_autoscale_view(self, axis="all", tight=None):
         Mark a single axis, or all of them, as stale wrt. autoscaling.
 
         No computation is performed until the next autoscaling; thus, separate
-        calls to control individual axises incur negligible performance cost.
+        calls to control individual `Axis`s incur negligible performance cost.
 
         Parameters
         ----------
diff --git a/lib/matplotlib/tests/test_triangulation.py b/lib/matplotlib/tests/test_triangulation.py
index 337443eb1e27..ae065a231fd9 100644
--- a/lib/matplotlib/tests/test_triangulation.py
+++ b/lib/matplotlib/tests/test_triangulation.py
@@ -612,7 +612,7 @@ def test_triinterpcubic_cg_solver():
     # 1) A commonly used test involves a 2d Poisson matrix.
     def poisson_sparse_matrix(n, m):
         """
-        Return the sparse, (n*m, n*m) matrix in coo format resulting from the
+        Return the sparse, (n*m, n*m) matrix in COO format resulting from the
         discretisation of the 2-dimensional Poisson equation according to a
         finite difference numerical scheme on a uniform (n, m) grid.
         """
diff --git a/lib/matplotlib/tri/_triinterpolate.py b/lib/matplotlib/tri/_triinterpolate.py
index 90ad6cf3a76c..2dc62770c7ed 100644
--- a/lib/matplotlib/tri/_triinterpolate.py
+++ b/lib/matplotlib/tri/_triinterpolate.py
@@ -928,7 +928,7 @@ def get_Kff_and_Ff(self, J, ecc, triangles, Uc):
 
         Returns
         -------
-        (Kff_rows, Kff_cols, Kff_vals) Kff matrix in coo format - Duplicate
+        (Kff_rows, Kff_cols, Kff_vals) Kff matrix in COO format - Duplicate
         (row, col) entries must be summed.
         Ff: force vector - dim npts * 3
         """
@@ -961,12 +961,12 @@ def get_Kff_and_Ff(self, J, ecc, triangles, Uc):
         #        [ Kcf Kff ]
         # * As F = K x U one gets straightforwardly: Ff = - Kfc x Uc
 
-        # Computing Kff stiffness matrix in sparse coo format
+        # Computing Kff stiffness matrix in sparse COO format
         Kff_vals = np.ravel(K_elem[np.ix_(vec_range, f_dof, f_dof)])
         Kff_rows = np.ravel(f_row_indices[np.ix_(vec_range, f_dof, f_dof)])
         Kff_cols = np.ravel(f_col_indices[np.ix_(vec_range, f_dof, f_dof)])
 
-        # Computing Ff force vector in sparse coo format
+        # Computing Ff force vector in sparse COO format
         Kfc_elem = K_elem[np.ix_(vec_range, f_dof, c_dof)]
         Uc_elem = np.expand_dims(Uc, axis=2)
         Ff_elem = -(Kfc_elem @ Uc_elem)[:, :, 0]
@@ -1178,7 +1178,7 @@ def compute_dz(self):
         triangles = self._triangles
         Uc = self.z[self._triangles]
 
-        # Building stiffness matrix and force vector in coo format
+        # Building stiffness matrix and force vector in COO format
         Kff_rows, Kff_cols, Kff_vals, Ff = reference_element.get_Kff_and_Ff(
             J, eccs, triangles, Uc)
 
@@ -1215,7 +1215,7 @@ def compute_dz(self):
 class _Sparse_Matrix_coo:
     def __init__(self, vals, rows, cols, shape):
         """
-        Create a sparse matrix in coo format.
+        Create a sparse matrix in COO format.
         *vals*: arrays of values of non-null entries of the matrix
         *rows*: int arrays of rows of non-null entries of the matrix
         *cols*: int arrays of cols of non-null entries of the matrix