diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index e993a86..6176875 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -26,6 +26,7 @@
 -  Fixed a bug (#4427) - :doc:`CAPTCHA Helper <helpers/capcha_helper>` triggers an error if the provided character pool is too small.
 -  Fixed a bug (#4430) - :doc:`File Uploading Library <libraries/file_uploading>` option **file_ext_tolower** didn't work.
 -  Fixed a bug (#4431) - :doc:`Query Builder <database/query_builder>` method ``join()`` discarded opening parentheses.
+-  Fixed a bug (#4424) - :doc:`Session Library <libraries/sessions>` triggered a PHP warning when writing a newly created session with the 'redis' driver.
 
 Version 3.0.4
 =============