Improve thanks

Author: julien-duponchelle

README.md

@@ -257,7 +257,7 @@ Special thanks
 ================
 * MySQL binlog from Jeremy Cole was a great souce of knowledge about MySQL replication protocol https://github.com/jeremycole/mysql_binlog
 * Samuel Charron for his help https://github.com/scharron
-* bjoernhaeuser for his bugs fixing https://github.com/bjoernhaeuser
+* bjoernhaeuser for his bugs fixing and improvements https://github.com/bjoernhaeuser
 * Dvir Volk for bug fix https://github.com/dvirsky
 
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