diff --git a/doc/_static/mpl.css b/doc/_static/mpl.css
index 2c547d2ab8a2..e20a9576d279 100644
--- a/doc/_static/mpl.css
+++ b/doc/_static/mpl.css
@@ -1002,7 +1002,7 @@ div.sphx-glr-download a {
    background-image: none !important;
 }
 
-p.sphx-glr-signature a.reference.external {
+p.sphx-glr-signature {
    display: none !important;
 }
 
diff --git a/doc/conf.py b/doc/conf.py
index 4bb08c8d0c38..a8bf9f328894 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -18,6 +18,9 @@
 import six
 from glob import glob
 
+# This is only necessary to monkey patch the signature later on.
+from sphinx_gallery import gen_rst
+
 # If your extensions are in another directory, add it here. If the directory
 # is relative to the documentation root, use os.path.abspath to make it
 # absolute, like shown here.
@@ -139,6 +142,16 @@ def _check_deps():
 
 plot_gallery = 'True'
 
+# Monkey-patching gallery signature to include search keywords
+gen_rst.SPHX_GLR_SIG = """\n
+.. only:: html
+
+ .. rst-class:: sphx-glr-signature
+
+    Keywords: matplotlib code example, codex, python plot, pyplot
+    `Gallery generated by Sphinx-Gallery
+    <https://sphinx-gallery.readthedocs.io>`_\n"""
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']