diff --git a/ChangeLog b/ChangeLog
index 8c82d08..88cd7a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,8 @@
       MBEDTLS_THREADING_C is defined. Found by TrinityTonic, #1095
     * Fix a bug in the update function for SSL ticket keys which previously
       invalidated keys of a lifetime of less than a 1s. Fixes #1968.
+   * Fix memory leak and freeing without initialization in the example
+     program programs/x509/cert_write. Fixes #1422.
 
 Changes
    * Add tests for session resumption in DTLS.