Merge pull request OAI#903 from RobDolinMS/patch-1

[Introduction] Clarify languages

Author: webron

versions/3.0.md

@@ -10,8 +10,10 @@ This document is licensed under [The Apache License, Version 2.0](http://www.apa
 
 The OpenAPI Specification (OAS) is a project used to describe and document RESTful APIs.
 
-The OAS defines a set of files required to describe such an API.
-These files can then be used by the Swagger-UI project to display the API and Swagger-Codegen to generate clients in various languages.
+
+The OpenAPI Specification defines a set of files required to describe such an API.
+These files can then be used by the Swagger-UI project to display the API and Swagger-Codegen to generate clients in various programming languages.
+
 Additional utilities can also take advantage of the resulting files, such as testing tools.
 
 ## Table of Contents