David and Darrel's change

Author: krishahn

versions/3.0.md

@@ -126,7 +126,7 @@ The OAS representation of the API is made of a single file.
 However, parts of the definitions can be split into separate files, at the discretion of the user.
 This is applicable for `$ref` fields in the specification as follows from the [JSON Schema](http://json-schema.org) definitions.
 
-It is RECOMMENDED that the OpenAPI Specification (OAS) file be named following convention: `openapi.json` or `openapi.yaml`.
+It is RECOMMENDED that the OpenAPI definition file be named following convention: `openapi.json` or `openapi.yaml`.
 
 ### <a name="dataTypes"></a>Data Types