Update doc/changelog.rst

Co-authored-by: Noah Stapp <[email protected]>

Author: sleepyStick

doc/changelog.rst

@@ -19,7 +19,7 @@ Version 4.12.1 is a bug fix release.
 - Fixed a bug where MongoDB cluster topology changes could cause asynchronous operations to take much longer to complete
   due to holding the Topology lock while closing stale connections.
 - Fixed a bug that would cause AsyncMongoClient to attempt to use PyOpenSSL when available, resulting in errors such as
-  "pymongo.errors.ServerSelectionTimeoutError: 'SSLContext' object has no attribute 'wrap_bio'"
+  "pymongo.errors.ServerSelectionTimeoutError: 'SSLContext' object has no attribute 'wrap_bio'".
 
 Issues Resolved
 ...............