Add parameter to CI_Input::user_agent()
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index bef872f..a2250df 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -466,6 +466,7 @@
- Changed method ``_fetch_from_array()`` to parse array notation in field name.
- Added an option for ``_clean_input_keys()`` to return FALSE instead of terminating the whole script.
- Deprecated the ``is_cli_request()`` method, it is now an alias for the new :func:`is_cli()` common function.
+ - Added an ``$xss_clean`` parameter to method ``user_agent()`` and removed the ``$user_agent`` property.
- :doc:`Common functions <general/common_functions>` changes include: