Update README.md

Author: igdianov

README.md

@@ -33,7 +33,8 @@ Features
 Supported Apis
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 * jpa-api 2.1
-* graphql-java 13
+* graphql-java 19.x for 0.5.x versions
+* graphql-java 13 for 0.4.x versions
 
 Tested using JDK Versions
 ----------------------