Add 'cache_query_string' configuration option
Close #2349
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index fb97f94..38fd759 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -505,8 +505,8 @@
- Added a second argument to method ``set_content_type()`` that allows setting the document charset as well.
- Added methods ``get_content_type()`` and ``get_header()``.
- Added method ``delete_cache()``.
+ - Added configuration option ``$config['cache_query_string']`` to enable taking the query string into account when caching.
- Changed caching behavior to compress the output before storing it, if ``$config['compress_output']`` is enabled.
- - Changed caching to take the query string into account.
- :doc:`Config Library <libraries/config>` changes include: