diff --git a/docs/releases/4.2.21.txt b/docs/releases/4.2.21.txt
index 1064dcf202..306269a3e7 100644
--- a/docs/releases/4.2.21.txt
+++ b/docs/releases/4.2.21.txt
@@ -4,7 +4,8 @@ Django 4.2.21 release notes
 
 *Expected May 7, 2025*
 
-Django 4.2.21 fixes a data loss bug and a regression in 4.2.20.
+Django 4.2.21 fixes a security issue with severity "moderate", a data loss bug,
+and a regression in 4.2.20.
 
 Bugfixes
 ========