diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 058831b378..39e8c5e2af 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -6,6 +6,7 @@ Changelog
 
  * The `Document` model can now be overridden using the new `WAGTAILDOCS_DOCUMENT_MODEL` setting (Alex Gleason)
  * Date/time pickers now respect the locale's 'first day of week' setting (Peter Quade)
+ * Refactored the way forms are constructed for the page editor, to allow custom forms to be used
  * Fix: Custom page managers no longer raise an error when used on an abstract model
  * Fix: Wagtail's migrations are now all reversible (benjaoming)
  * Fix: Deleting a page content type now preserves existing pages as basic Page instances, to prevent tree corruption
diff --git a/docs/releases/1.4.rst b/docs/releases/1.4.rst
index d971e56eda..e1aeadc59c 100644
--- a/docs/releases/1.4.rst
+++ b/docs/releases/1.4.rst
@@ -20,6 +20,7 @@ Minor features
 ~~~~~~~~~~~~~~
 
  * Date/time pickers now respect the locale's 'first day of week' setting (Peter Quade)
+ * Refactored the way forms are constructed for the page editor, to allow custom forms to be used
 
 
 Bug fixes