Update ChangeLog for Release
diff --git a/ChangeLog b/ChangeLog
index 1208a22..19aef99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
-= mbed TLS 2.1.x branch
+= mbed TLS 2.1.5 branch released 2016-06-28
 
 Security
    * Fix missing padding length check in mbedtls_rsa_rsaes_pkcs1_v15_decrypt