Apply suggestion from @hugovk

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: sneakers-the-rat

Doc/tools/templates/customlocaltoc.html

@@ -1,5 +1,5 @@
 {#
-  Customization of sphinx's basic/localtoc.html
+  Customization of Sphinx's basic/localtoc.html
 
   - When present, display links to the parent pages within sections,
     rather than link to the global contents