Update bugs.rst (GH-11485)

(cherry picked from commit 91c6158dbc5d70fcd91993b4e62c7bae926c2ea2)

Co-authored-by: Andre Delfino <adelfino@gmail.com>
diff --git a/Doc/bugs.rst b/Doc/bugs.rst
index 109e9eb..3206a45 100644
--- a/Doc/bugs.rst
+++ b/Doc/bugs.rst
@@ -17,7 +17,7 @@
 
 If you find a bug in this documentation or would like to propose an improvement,
 please submit a bug report on the :ref:`tracker <using-the-tracker>`.  If you
-have a suggestion how to fix it, include that as well.
+have a suggestion on how to fix it, include that as well.
 
 If you're short on time, you can also email documentation bug reports to
 docs@python.org (behavioral bugs can be sent to python-list@python.org).