SOL003 VNFLifecycleOperationGranting-API typos corrections

Change-Id: I5fbec95c1fca7d0c0591c357a2d82d281ca3ef4c

src/SOL003/VNFLifecycleOperationGranting/VNFLifecycleOperationGranting.yaml

@@ -148,8 +148,8 @@ paths:
         required: true
     get:
       description: >
-        The GET method retrieves information about a subscription by reading
-        an individual subscription resource.
+        The GET method retrieves information about a specific grant by reading
+        an individual grant resource.
       responses:
         200:
           description: >