Update response interceptor docs (#2399)

README.md

@@ -492,9 +492,11 @@ axios.interceptors.request.use(function (config) {
 
 // Add a response interceptor
 axios.interceptors.response.use(function (response) {
+    // Any status code that lie within the range of 2xx cause this function to trigger
     // Do something with response data
     return response;
   }, function (error) {
+    // Any status codes that falls outside the range of 2xx cause this function to trigger
     // Do something with response error
     return Promise.reject(error);
   });