diff --git a/docs/releases/1.7.4.txt b/docs/releases/1.7.4.txt
index 0d53459068e..3e81a924967 100644
--- a/docs/releases/1.7.4.txt
+++ b/docs/releases/1.7.4.txt
@@ -20,3 +20,7 @@ Bugfixes
 
 * Prevented the ``static.serve`` view from producing ``ResourceWarning``\s in
   certain circumstances (security fix regression, :ticket:`24193`).
+
+* Fixed schema check for ManyToManyField to look for internal type instead
+  of checking class instance, so you can write custom m2m-like fields with the
+  same behavior. (:ticket:`24104`).