Stick to ChangeLog rules

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>
diff --git a/ChangeLog b/ChangeLog
index 83b566b..594c3cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -730,10 +730,6 @@
    * Ciphersuites based on 3DES now have the lowest priority by default when
      they are enabled.
 
-Features
-   * Add support for DTLS-SRTP as defined in RFC 5764. Based on #361 contributed
-     by Johan Pascal.
-
 = mbed TLS 2.16.0 branch released 2018-12-21
 
 Features
diff --git a/ChangeLog.d/feature-dtls-srtp.txt b/ChangeLog.d/feature-dtls-srtp.txt
new file mode 100644
index 0000000..8b9186b
--- /dev/null
+++ b/ChangeLog.d/feature-dtls-srtp.txt
@@ -0,0 +1,2 @@
+Features
+* Add support for DTLS-SRTP as defined in RFC 5764. Contributed by Johan Pascal, improved by Ron Eldor.