wrong URL to restapidoc

Author: muenchhausen

README.md

@@ -81,7 +81,7 @@ These are third party tools generated by the Swagger community:
 - [Swagger spec generator](https://github.com/yvasiyarov/swagger) - A swagger spec auto generator. Doesn't depends on any framework  
 
 #### Groovy
-- [restapidoc](https://github.com/emicklei/go-restful) - A simple RESTful API documentation plugin for the Grails web application framework.
+- [restapidoc](https://github.com/siemens/restapidoc) - A simple RESTful API documentation plugin for the Grails web application framework.
 
 #### Java
 - [swagger-springmvc](https://github.com/martypitt/swagger-springmvc) - Integration with Spring MVC.