diff --git a/CHANGES.rst b/CHANGES.rst
index 4758e9fc8..3f3d3dc49 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -7,6 +7,8 @@ New Features
 Bug Fixes
 ^^^^^^^^^
 
+- Fixed specifying a single value for ``window`` in ``analysis.fit_lines``. [#1164]
+
 Other Changes and Additions
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^