Move changelog line from verion 2.1.1 to version 3.0
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 272ca34..491f937 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -124,6 +124,7 @@
- Modified valid_ip() to use PHP's filter_var() in the :doc:`Input Library <libraries/input>`.
- Added support for HTTP-Only cookies with new config option ``cookie_httponly`` (default FALSE).
- Renamed method _call_hook() to call_hook() in the :doc:`Hooks Library <general/hooks.html>`.
+ - Added get_content_type for get current mime-types :doc:`Core Output Library <core/output>`.
Bug fixes for 3.0
------------------
@@ -190,9 +191,6 @@
- Libraries
- Further improved MIME type detection in the :doc:`File Uploading Library <libraries/file_uploading>`.
-- Core
- - Added get_content_type for get current mime-types :doc:`Core Output Library <core/output>`.
-
- Helpers
- url_title() performance and output improved. You can now use any string as the word delimiter, but 'dash' and 'underscore' are still supported.