Fix example response reference (OAI#1670)

darren987469 · darrelmiller · commit 41a1c6e015cd · 2019-07-10T21:51:08.000-04:00
`GET /pets/{petId}` returns a pet, not pets.
diff --git a/examples/v3.0/petstore.yaml b/examples/v3.0/petstore.yaml
@@ -72,7 +72,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: "#/components/schemas/Pets"
+                $ref: "#/components/schemas/Pet"
         default:
           description: unexpected error
           content:
