Merge pull request OAI#930 from RobDolinMS/patch-8

[Info Object Example] Update description

Author: webron

versions/3.0.md

@@ -229,7 +229,7 @@ This object can be extended with [Specification Extensions](#specificationExtens
 ```json
 {
   "title": "Swagger Sample App",
-  "description": "This is a sample server Petstore server.",
+  "description": "This is a sample server for a pet store.",
   "termsOfService": "http://swagger.io/terms/",
   "contact": {
     "name": "API Support",
@@ -246,7 +246,7 @@ This object can be extended with [Specification Extensions](#specificationExtens
 
 ```yaml
 title: Swagger Sample App
-description: This is a sample server Petstore server.
+description: This is a sample server for a pet store.
 termsOfService: http://swagger.io/terms/
 contact:
   name: API Support