[ci skip] Add changelog entry for PR #4805
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 5bdcda9..51de7b7 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -24,6 +24,7 @@
 -  Fixed a bug where :doc:`File Uploading Library <libraries/file_uploading>` generated error messages on PHP 7.1.
 -  Fixed a bug (#4780) - :doc:`compatibility function <general/compatibility_functions>` ``hex2bin()`` didn't reject inputs of type "resource".
 -  Fixed a bug (#4787) - :doc:`Form Validation Library <libraries/form_validation>` method ``valid_email()`` triggered ``E_WARNING`` when input emails have empty domain names.
+-  Fixed a bug (#4805) - :doc:`Database <database/index>` driver 'mysqli' didn't use the ``MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT`` flag properly.
 
 Version 3.1.0
 =============