diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a25a50d465..acbff46c98 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -5,6 +5,7 @@ Changelog
 ~~~~~~~~~~~~~~~~
 
  * The `Document` model can now be overridden using the new `WAGTAILDOCS_DOCUMENT_MODEL` setting (Alex Gleason)
+ * Fix: Custom page managers no longer raise an error when used on an abstract model
 
 1.3 (23.12.2015)
 ~~~~~~~~~~~~~~~~
diff --git a/docs/releases/1.4.rst b/docs/releases/1.4.rst
index cfd0905e6e..d6743edd9e 100644
--- a/docs/releases/1.4.rst
+++ b/docs/releases/1.4.rst
@@ -22,5 +22,8 @@ Minor features
 Bug fixes
 ~~~~~~~~~
 
+ * Custom page managers no longer raise an error when used on an abstract model
+
+
 Upgrade considerations
 ======================