Fix typo in README.md

Author: dongwook-chan

README.md

@@ -4,7 +4,7 @@ python-mysql-replication
 <a href="https://travis-ci.org/noplay/python-mysql-replication"><img src="https://travis-ci.org/noplay/python-mysql-replication.svg?branch=master"></a>&nbsp;
 <a href="https://pypi.python.org/pypi/mysql-replication"><img src="http://img.shields.io/pypi/dm/mysql-replication.svg"></a>
 
-Pure Python Implementation of MySQL replication protocol build on top of PyMYSQL. This allow you to receive event like insert, update, delete with their datas and raw SQL queries.
+Pure Python Implementation of MySQL replication protocol build on top of PyMYSQL. This allows you to receive event like insert, update, delete with their datas and raw SQL queries.
 
 Use cases
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