diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index dbb31cff8..725776dfd 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -6,6 +6,7 @@ Changelog
 
  * Added `WAGTAIL_PASSWORD_RESET_ENABLED` setting to allow password resets to be disabled independently of the password management interface (John Draper)
  * Updated fonts for more comprehensive Unicode support
+ * Added ``.alt`` attribute to image renditions
  * Fix: HTTP cache purge now works again on Python 2 (Mitchel Cabuloy)
 
 1.2 (12.11.2015)
diff --git a/docs/releases/1.3.rst b/docs/releases/1.3.rst
index cc98e9cdd..ec035fbfc 100644
--- a/docs/releases/1.3.rst
+++ b/docs/releases/1.3.rst
@@ -16,6 +16,7 @@ Minor features
 
  * Added ``WAGTAIL_PASSWORD_RESET_ENABLED`` setting to allow password resets to be disabled independently of the password management interface (John Draper)
  * Updated fonts for more comprehensive Unicode support
+ * Added ``.alt`` attribute to image renditions
 
 
 Bug fixes