Update conf.py comments

Author: m-aciek

Doc/conf.py

@@ -316,8 +316,8 @@
 
 # Custom sidebar templates, filenames relative to this file.
 html_sidebars = {
-    # Defaults taken from https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-html_sidebars
-    # Removes the quick search block
+    # Sidebar configuration: https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-html_sidebars
+    # Custom sidebars without quick search; the homepage uses a dedicated sidebar.
     '**': ['localtoc.html', 'relations.html', 'pageactions.html'],
     'index': ['indexsidebar.html'],
 }