diff --git a/ChangeLog b/ChangeLog
index e46a763..cba56d4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -26,6 +26,7 @@
    * Remove test program o_p_test, the script compat.sh does more.
    * Remove test program ssl_test, superseded by ssl-opt.sh.
    * Remove helper script active-config.pl
+   * RC4 is now disabled by default in the SSL/TLS layer.
 
 = mbed TLS 1.3 branch