RESTful APIs > singular

krishahn · krishahn · commit 79138b2d34f1 · 2017-06-09T06:43:40.000-07:00
diff --git a/versions/3.0.md b/versions/3.0.md
@@ -8,7 +8,7 @@ This document is licensed under [The Apache License, Version 2.0](http://www.apa
 
 ## Introduction
 
-The OpenAPI Specification (OAS) is a project that provides mechanisms to describe and document RESTful APIs.
+The OpenAPI Specification (OAS) is a project that provides mechanisms to describe and document a RESTful API.
 
 
 The OpenAPI Specification defines a set of files required to describe such APIs.
