diff --git a/README.md b/README.md
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-<center><a href="http://pythoninchemistry.org/pylj"><img src="https://github.com/arm61/pylj/blob/master/logo/logo.png?raw=true" width= "60%"/></a></center>
+<a href="http://pythoninchemistry.org/pylj"><img src="https://github.com/arm61/pylj/blob/master/logo/logo.png?raw=true" width= "60%"/></a>
 
 ## Visit the [pylj](http://pythoninchemistry.org/pylj) webpage for more information about pylj.