diff --git a/Creating-a-new-Wagtail-release.md b/Creating-a-new-Wagtail-release.md
index 03426b7..98108bd 100644
--- a/Creating-a-new-Wagtail-release.md
+++ b/Creating-a-new-Wagtail-release.md
@@ -8,6 +8,7 @@
     * Changes affecting all projects
     * Deprecation of old functionality
     * Changes affecting Wagtail customisations
+    * Changes to undocumented internals
 * `CHANGELOG.txt` should contain a section for the new release.
 * The minor version of the release should be listed in the 'compatible Django / Python versions' table in `docs/releases/upgrading.md`.
 * Update translation files.