diff --git a/ChangeLog b/ChangeLog
index 259f4ea..e503d75 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -8,6 +8,8 @@
      valid version in the trusted certificate list.
    * Fix incorrect handling of block lengths in crypt_and_hash sample program,
      when GCM is used. #441
+   * Fix for key exchanges based on ECDH-RSA or ECDH-ECDSA which weren't
+     enabled unless others were also present. Found by David Fernandez. #428
 
 = mbed TLS 2.1.5 branch released 2016-06-28