diff --git a/RELEASE-NOTES-1.35 b/RELEASE-NOTES-1.35
index 793c264de9e..369d6d2d2ef 100644
--- a/RELEASE-NOTES-1.35
+++ b/RELEASE-NOTES-1.35
@@ -208,6 +208,9 @@ For notes on 1.34.x and older releases, see HISTORY.
   detection, as an alternative to 'basetimestamp'. Note that self-conflicts
   will continue to be ignored if 'basetimestamp' is set, but not if only
   'baserevid' is set.
+* A new module was added to change the content model of existing pages.
+  Use action=changecontentmodel. Unlike Special:ChangeContentModel, the api
+  module does not work for pages that do not already exist.
 * …
 
 === Action API internal changes in 1.35 ===