Update README.rst

Author: MacHu-GWU

README.rst

@@ -56,7 +56,7 @@ Welcome to ``uszipcode`` Documentation
 
 **If you are on www.pypi.org or www.github.com**, this is not the complete document. Here is the `Complete Document <https://uszipcode.readthedocs.io/index.html>`_.
 
-**If you are looking for technical support**, join this gitter chat room and ask question to the author.
+**If you are looking for technical support**, click the badge below to join this gitter chat room and ask question to the author.
 
 .. image:: https://img.shields.io/badge/Chat-Tech_Support-_.svg
       :target: https://gitter.im/MacHu-GWU-Python-Library-Technical-Support/community