Update README.md

Author: jwyterlin

README.md

@@ -16,7 +16,7 @@ Check out [Swagger-Spec](https://github.com/swagger-api/swagger-spec) for additi
 ## Compatibility
 The Swagger Specification has undergone 3 revisions since initial creation in 2010.  The swagger-codegen project has the following compatibilities with the swagger specification:
 
-Swagger Codegen Version | Release Date | Swagger Spec compatability | Notes
+Swagger Codegen Version | Release Date | Swagger Spec compatibility | Notes
 ----------------------- | ------------ | -------------------------- | -----
 2.1.2-M1 (master)       | 2015-02-23   | 1.0, 1.1, 1.2, 2.0   | [tag v2.1.0-M1](https://github.com/swagger-api/swagger-codegen)
 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)