diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 36d5027ed2..4bac053730 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -83,6 +83,7 @@ Changelog
  * Maintenance: Refactor generic view subclasses to better reuse the generic templates and breadcrumbs (Sage Abdullah)
  * Maintenance: Adopt consistent `classname` (not `classnames`) attributes for all `MenuItem` usage, including deprecation warnings (LB (Ben) Johnston)
  * Maintenance: Deprecate `context` argument of `construct_snippet_listing_buttons` hook (Sage Abdullah)
+ * Maintenance: Deprecate legacy moderation system (Sage Abdullah)
 
 
 5.1.3 (xx.xx.20xx) - IN DEVELOPMENT
diff --git a/docs/releases/5.2.md b/docs/releases/5.2.md
index 9b66b30411..37c754d439 100644
--- a/docs/releases/5.2.md
+++ b/docs/releases/5.2.md
@@ -104,6 +104,7 @@ depth: 1
  * Refactor generic view subclasses to better reuse the generic templates and breadcrumbs (Sage Abdullah)
  * Adopt consistent `classname` (not `classnames`) attributes for all `MenuItem` usage, including deprecation warnings (LB (Ben) Johnston)
  * Deprecate `context` argument of `construct_snippet_listing_buttons` hook (Sage Abdullah)
+ * Deprecate legacy moderation system (Sage Abdullah)
 
 
 ## Upgrade considerations - changes affecting all projects