diff --git a/ChangeLog b/ChangeLog
index 5b98a1b40..07f3b7361 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -42,8 +42,10 @@ Changes
 
 Bugfix
    * Fix an issue that caused valid certificates being rejected whenever an
-   expired or not yet valid version of the trusted certificate was before the
-   valid version in the trusted certificate list.
+     expired or not yet valid version of the trusted certificate was before the
+     valid version in the trusted certificate list.
+   * Fix incorrect handling of block lengths in crypt_and_hash sample program,
+     when GCM is used. #441
 
 = mbed TLS 1.3.17 branch 2016-06-28