diff --git a/ChangeLog b/ChangeLog
index 03c8568..cefea83 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -35,7 +35,7 @@
    * Fix missing return code check after call to mbedtls_md_setup() that could
      result in usage of invalid md_ctx in mbedtls_rsa_rsaes_oaep_encrypt(),
      mbedtls_rsa_rsaes_oaep_decrypt(), mbedtls_rsa_rsassa_pss_sign() and
-     mbedtls_rsa_rsassa_pss_verify_ext(). Fixed by Brian J. Murray.
+     mbedtls_rsa_rsassa_pss_verify_ext(). Fixed by Brian J. Murray. #502
 
 = mbed TLS 2.1.5 branch released 2016-06-28