Adapt ChangeLog
diff --git a/ChangeLog b/ChangeLog
index e5ba213..6fdabba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,9 @@
side in both TLS and DTLS.
Bugfix
+ * Fix wrong implementation of truncated HMAC extension leading to
+ compatibility problems with peers not running Mbed TLS. Found by
+ Andreas Walz.
* Fix ssl_parse_record_header() to silently discard invalid DTLS records
as recommended in RFC 6347 Section 4.1.2.7.
* Fix memory leak in mbedtls_ssl_set_hostname() when called multiple times.