Rename sections by backend [ci doc]

jklymak · jklymak · commit 50ebb3c20739 · 2023-09-01T18:51:00.000-07:00
diff --git a/galleries/users_explain/figure/backends.rst b/galleries/users_explain/figure/backends.rst
@@ -11,8 +11,8 @@ Backends
 What is a backend?
 ------------------
 
-Backends are used for out-putting Matplotlib figures (see :ref:`figure-intro`),
-to the screen or for writing to files.  A lot of documentation on the website
+Backends are used for displaying Matplotlib figures (see :ref:`figure-intro`),
+on the screen, or for writing to files.  A lot of documentation on the website
 and in the mailing lists refers to the "backend" and many new users are
 confused by this term. Matplotlib targets many different use cases and output
 formats.  Some people use Matplotlib interactively from the Python shell and
@@ -269,48 +269,56 @@ one is being used:
 
    print(matplotlib.get_backend())
 
-Try a simple plot, as see if the GUI opens:
+Try a simple plot to see if the GUI opens:
 
 .. code-block:: python3
 
    import matplotlib
    import matplotlib.pyplot as plt
 
    print(matplotlib.get_backend())
-   plt.plot((1,4,6))
+   plt.plot((1, 4, 6))
    plt.show()
 
 If it does not, you perhaps have an installation problem.  A good step at this
 point is to ensure that your GUI toolkit is installed properly, taking
-Matplotlib our of the testing.  Almost all GUI toolkits have a small test
+Matplotlib out of the testing.  Almost all GUI toolkits have a small test
 program that can be run to test basic functionality.  If this test fails, try re-installing.
 
-PyQt(5,6) and PySide
-^^^^^^^^^^^^^^^^^^^^
+QtAgg
+^^^^^
+
+Test `PyQt5`:
 
 .. code-block:: bash
 
    python -c "from PyQt5.QtWidgets import *; app = QApplication([]); win = QMainWindow(); win.show(); app.exec()"
 
-If you have ``PySide`` or ``PyQt6`` installed instead, just change the import
+If you have ``PySide`` or ``PyQt6`` installed rather than ``PyQt5``, just change the import
 accordingly.
 
-tkinter
-^^^^^^^
+TkAgg
+^^^^^
+
+Test ``tkinter``:
 
 .. code-block:: bash
 
    python3 -c "from tkinter import Tk; Tk().mainloop()"
 
-GTK
-^^^
+GTK3Agg, GTK4Agg, GTK3Cairo, GTK4Cairo
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Test ``Gtk``:
 
 .. code-block:: bash
 
-   python3 -c "from gi.repository import Gtk; win = Gtk.Window(); win.connect('destroy', Gtk.main_quit); win.show(); Gtk.main()""
+   python3 -c "from gi.repository import Gtk; win = Gtk.Window(); win.connect('destroy', Gtk.main_quit); win.show(); Gtk.main()"
+
+wxAgg
+^^^^^
 
-wxPython
-^^^^^^^^
+Test `wx`:
 
 .. code-block:: python3
 
@@ -321,5 +329,5 @@ wxPython
    frame.Show(True)     # Show the frame.
    app.MainLoop()
 
-If the test works for your desired backend then contact us (see
+If the test works for your desired backend but you still cannot get Matplotlib to display a figure, then contact us (see
 :ref:`getting-help`).
