[ci skip] Fix #5624
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 5e72982..dc07881 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -19,6 +19,7 @@
 -  Fixed a bug (#5571) - :doc:`XML-RPC Library <libraries/xmlrpc>` had a typo that triggered an ``E_WARNING`` message on PHP 7.2.
 -  Fixed a bug (#5587) - :doc:`Database Forge <database/forge>` method ``create_table()`` generated an ``E_WARNING`` message.
 -  Fixed a bug (#5590) - :doc:`Form Validation Library <libraries/form_validation>` rule **valid_base64** didn't have a default error message.
+-  Fixed a bug (#5624) - :doc:`Database Library <database/index>` methods ``list_fields()``, ``field_exists()`` returned incorrect results after tables are modified.
 
 Version 3.1.9
 =============