diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 1be8283ad168ce3824f4781a2582aa0898149ead..064d007d24cdde265725264135b8c74623137998 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -2,7 +2,7 @@
 Drupal 7.40, xxxx-xx-xx (development version)
 -----------------------
 - Added alternate text to file icons displayed by the File module, to improve
-  accessibility (minor API addition to theme_file_icon()).
+  accessibility (string change, and minor API addition to theme_file_icon()).
 - Changed one-time login link failure messages to be displayed as errors or
   warnings as appropriate, rather than as regular status messages (minor UI
   change and data structure change).