Adjust wording.

Author: guzman-raphael

CHANGELOG.md

@@ -1,7 +1,7 @@
 ## Release notes
 
 ### 0.13.1 -- TBD
-* Add `None` as an alias for `NULL` in `dict` restrictions (#824) PR #893
+* Add `None` as an alias for `IS NULL` comparison in `dict` restrictions (#824) PR #893
 * Drop support for MySQL 5.6 since it has reached EOL PR #893
 * Bugfix - `schema.list_tables()` is not topologically sorted (#838) PR #893
 * Bugfix - Diagram part tables do not show proper class name (#882) PR #893

docs-parts/intro/Releases_lang1.rst

@@ -1,6 +1,6 @@
 0.13.1 -- TBD
 ----------------------
-* Add `None` as an alias for `NULL` in `dict` restrictions (#824) PR #893
+* Add `None` as an alias for `IS NULL` comparison in `dict` restrictions (#824) PR #893
 * Drop support for MySQL 5.6 since it has reached EOL PR #893
 * Bugfix - `schema.list_tables()` is not topologically sorted (#838) PR #893
 * Bugfix - Diagram part tables do not show proper class name (#882) PR #893