Fixed PR number.

Author: Nurdok

docs/release_notes.rst

@@ -19,7 +19,7 @@ New Features
 
 * Decorator-based skipping via ``--ignore-decorators`` has been added (#204).
 * Support for using pycodestyle style wildcards has been added (#72, #209).
-* Superfluous opening quotes are now reported as part of D300 (#166, #224).
+* Superfluous opening quotes are now reported as part of D300 (#166, #225).
 
 Bug Fixes