Updated README

Author: kevzlou7979

README.md

@@ -22,12 +22,12 @@ AmCharts Official Documentation can be found [here](https://docs.amcharts.com/3/
 </dependency>
 ```
 
-### Snapshot Version 2.1-SNAPSHOT
+### Snapshot Version 2.1.1-SNAPSHOT
 ```xml
 <dependency>
     <groupId>com.github.gwtmaterialdesign</groupId>
     <artifactId>gwt-material-amcharts</artifactId>
-    <version>2.2-SNAPSHOT</version>
+    <version>2.1.1-SNAPSHOT</version>
 </dependency>
 ```