Add support for callable form validation rules
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 423755b..36ddbc9 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -345,6 +345,7 @@
- :doc:`Language <libraries/language>` line keys must now be prefixed with **form_validation_**.
- Added rule **alpha_numeric_spaces**.
- Added support for custom error messages per field rule.
+ - Added support for callable rules when they are passed as an array.
- :doc:`Caching Library <libraries/caching>` changes include: