Bump version to 2.1.0
diff --git a/ChangeLog b/ChangeLog
index ef290e7..5f50915 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
-= mbed TLS 2 branch
+= mbed TLS 2.1.0 released 2015-09-04
 
 Features
    * Added support for yotta as a build system