Fix doc/whatsnew/fragments/8736.feature

Author: Pierre-Sassoulas

doc/whatsnew/fragments/8736.feature

@@ -1,5 +1,5 @@
 ``comparison-of-constants`` now use the unicode from the ast instead of reformatting from
  the node's values preventing some bad formatting due to ``utf-8`` limitation. The message now use
- ``"`` instead of ```` to better work with what the python ast returns.
+ ``"`` instead of ``'`` to better work with what the python ast returns.
 
 Refs #8736