Fix #4844
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 0d8a93b..4f5efe2 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -24,6 +24,7 @@
 -  Fixed a bug (#4917) - :doc:`Date Helper <helpers/date_helper>` function :php:func:`nice_date()` didn't handle YYYYMMDD inputs properly.
 -  Fixed a bug (#4923) - :doc:`Session Library <libraries/sessions>` could execute an erroneous SQL query with the 'database' driver, if the lock attempt times out.
 -  Fixed a bug (#4927) - :doc:`Output Library <libraries/output>` method ``get_header()`` returned the first matching header, regardless of whether it would be replaced by a second ``set_header()`` call.
+-  Fixed a bug (#4844) - :doc:`Email Library <libraries/email>` didn't apply ``escapeshellarg()`` to the while passing the Sendmail ``-f`` parameter through ``popen()``.
 
 Version 3.1.2
 =============