Update README.md for v2.1.1

Author: nieder-github

README.md

@@ -11,7 +11,7 @@ The target as well as the runtime log level can be configured independent from t
 Use this SupportPac if you need a more flexible logging mechanism than the Trace node provides.
 
 ## New in this Release
-New in 2.1.0 :
+New in 2.1.1 :
 * fix bug to support IIB on z/OS
 * fix bug to support ESQL functions