             }
         }
         
-        describe("a custom callback queue") {
+        describe("using a custom callback queue") {
             var stubDescriptor: OHHTTPStubsDescriptor!
             
             beforeEach {

                        })
                        
                        expect(callbackQueueLabel) == requestQueue.label
                    })
                })
                
                context("queue is not provided with request", {
                    it("invoke callback on main queue", closure: {
                        var callbackQueueLabel: String?
                        
                        waitUntil(action: { completion in

                        })
                        
                        expect(callbackQueueLabel) == DispatchQueue.main.label
                    }
                }
            }
        }
    }
}
