diff --git a/ChangeLog b/ChangeLog
index 5945b7e..1838ccf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,7 +5,7 @@
 Bugfix
    * Fix mbedtls_x509_crt_profile_suiteb, which used to reject all certificates
      with flag MBEDTLS_X509_BADCERT_BAD_PK even when the key type was correct.
-     In the context of SSL, this resulted in handshake failure.
+     In the context of SSL, this resulted in handshake failure. #1351
 
 = mbed TLS 2.7.0 branch released 2018-02-03