diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a6feac71a2..5eb50a06f2 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -5,6 +5,8 @@ These are notable changes in edx-platform.  This is a rolling list of changes,
 in roughly chronological order, most recent first.  Add your entries at or near
 the top.  Include a label indicating the component affected.
 
+LMS: Forums.  Added handling for case where discussion module can get `None` as 
+value of lms.start in `lms/djangoapps/django_comment_client/utils.py`
 
 Studio, LMS: Make ModelTypes more strict about their expected content (for
 instance, Boolean, Integer, String), but also allow them to hold either the