Update README.md

Author: webron

README.md

@@ -32,7 +32,7 @@ The Swagger Specification has undergone 3 revisions since initial creation in 20
 Swagger Codegen Version    | Release Date | Swagger Spec compatibility | Notes
 -------------------------- | ------------ | -------------------------- | -----
 2.1.4-SNAPSHOT                      |              | 1.0, 1.1, 1.2, 2.0   | [master](https://github.com/swagger-api/swagger-codegen)
-2.1.3 (**current stable**) | 2015-08-24   | 1.0, 1.1, 1.2, 2.0   | [v2.1.3](https://github.com/swagger-api/swagger-codegen/tree/v2.1.3)
+2.1.3 (**current stable**) | 2015-08-24   | 1.0, 1.1, 1.2, 2.0   | [tag v2.1.3](https://github.com/swagger-api/swagger-codegen/tree/v2.1.3)
 2.0.17                     | 2014-08-22   | 1.1, 1.2             | [tag v2.0.17](https://github.com/swagger-api/swagger-codegen/tree/v2.0.17)
 1.0.4                      | 2012-04-12   | 1.0, 1.1             | [tag v1.0.4](https://github.com/swagger-api/swagger-codegen/tree/swagger-codegen_2.9.1-1.1)