diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index ea20106..619fa46 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -13,6 +13,7 @@
    -  Updated :doc:`Email Library <libraries/email>` to use ``INTL_IDNA_VARIANT_UTS46`` for non-ASCII domain names.
    -  Updated :doc:`Loader Library <libraries/loader>` method ``model()`` to log both ``CI_Model`` class loading and individual models' initialization.
    -  Updated :doc:`Pagination Library <libraries/pagination>` to preserve previously set attributes while calling ``initialize()``.
+   -  Updated :doc:`Cache Library <libraries/caching>` to automatically add items to cache on ``increment()``, ``decrement()`` calls for missing keys.
    -  Deprecated usage of :doc:`CAPTCHA Helper <helpers/captcha_helper>` function :php:func:`create_captcha()` with parameters other than ``$data``.
 
 Bug fixes for 3.1.7