diff --git a/Creating-a-new-Wagtail-release.md b/Creating-a-new-Wagtail-release.md
index 76f137c..88c8093 100644
--- a/Creating-a-new-Wagtail-release.md
+++ b/Creating-a-new-Wagtail-release.md
@@ -274,6 +274,8 @@ depth: 1
 ## Upgrade considerations - deprecation of old functionality
 
 ## Upgrade considerations - changes affecting Wagtail customisations
+
+## Upgrade considerations - changes to undocumented internals
 ````
 
 Update `docs/releases/index.rst` to include the new version.