Update README.md

Author: kobylynskyi

README.md

@@ -5,7 +5,9 @@
 
 ## Plugins
 
-Please refer [grapqhl-java-codegen-gradle-plugin](https://github.com/kobylynskyi/graphql-java-codegen-gradle-plugin) or [grapqhl-java-codegen-maven-plugin](https://github.com/kobylynskyi/grapqhl-java-codegen-maven-plugin) 
+Please refer to:
+* Gradle plugin: [grapqhl-java-codegen-gradle-plugin](https://github.com/kobylynskyi/graphql-java-codegen-gradle-plugin)
+* Maven plugin: [grapqhl-java-codegen-maven-plugin](https://github.com/kobylynskyi/grapqhl-java-codegen-maven-plugin) 
 
 
 ### Inspired by