updated README.md file.

Author: HugoMario

README.md

@@ -48,10 +48,11 @@ Check out [OpenAPI Specification](https://github.com/OAI/OpenAPI-Specification)
 
 
 ## Compatibility
-The OpenAPI Specification has undergone 3 revisions since initial creation in 2010.  The swagger-codegen project has the following compatibilities with the OpenAPI Specification:
+The OpenAPI Specification has undergone 3 revisions since initial creation in 2010..  The swagger-codegen project has the following compatibilities with the OpenAPI Specification:
 
 Swagger Codegen Version    | Release Date | OpenAPI Spec compatibility | Notes
 -------------------------- | ------------ | -------------------------- | -----
+3.0.1 (upcoming major release) [SNAPSHOT](https://oss.sonatype.org/content/repositories/snapshots/io/swagger/codegen/v3/swagger-codegen-cli/3.0.1-SNAPSHOT/)| TBD | 1.0, 1.1, 1.2, 2.0, 3.0 | Major release with breaking changes
 [3.0.0](https://github.com/swagger-api/swagger-codegen/releases/tag/v3.0.0)(https://oss.sonatype.org/content/repositories/releases/io/swagger/codegen/v3/swagger-codegen-cli/3.0.0/)| 2018-09-06 | 1.0, 1.1, 1.2, 2.0, 3.0 | Major release with breaking changes
 2.4.0 (current master, upcoming minor release) [SNAPSHOT](https://oss.sonatype.org/content/repositories/snapshots/io/swagger/swagger-codegen-cli/2.4.0-SNAPSHOT/)| TBD   | 1.0, 1.1, 1.2, 2.0   | Minor release with breaking changes
 [2.3.1](https://github.com/swagger-api/swagger-codegen/releases/tag/v2.3.1) (**current stable**) | 2018-01-17   | 1.0, 1.1, 1.2, 2.0   | [tag v2.3.1](https://github.com/swagger-api/swagger-codegen/tree/v2.3.1)