diff --git a/chapter02/package.json b/chapter02/package.json
index 654b1f9..859480d 100644
--- a/chapter02/package.json
+++ b/chapter02/package.json
@@ -15,7 +15,10 @@
     "author": "Federico Kereki",
     "license": "ISC",
     "babel": {
-        "presets": ["env", "flow"]
+        "presets": [
+            "env",
+            "flow"
+        ]
     },
     "eslintConfig": {
         "parserOptions": {
@@ -28,8 +31,14 @@
             "node": true,
             "es6": true
         },
-        "extends": ["eslint:recommended", "plugin:flowtype/recommended"],
-        "plugins": ["babel", "flowtype"],
+        "extends": [
+            "eslint:recommended",
+            "plugin:flowtype/recommended"
+        ],
+        "plugins": [
+            "babel",
+            "flowtype"
+        ],
         "rules": {
             "no-console": "off"
         }
diff --git a/chapter02/src/get_service_with_async_await.js b/chapter02/src/get_service_with_async_await.js
index 44053f6..87c35da 100644
--- a/chapter02/src/get_service_with_async_await.js
+++ b/chapter02/src/get_service_with_async_await.js
@@ -1,3 +1,5 @@
+/* @flow */
+
 const axios = require("axios");
 
 const BASE_URL = "https://weather.com/en-IN/weather/today/l/";
diff --git a/chapter02/src/get_service_with_promises.js b/chapter02/src/get_service_with_promises.js
index 2c7c5ca..3a0f159 100644
--- a/chapter02/src/get_service_with_promises.js
+++ b/chapter02/src/get_service_with_promises.js
@@ -1,3 +1,5 @@
+/* @flow */
+
 const axios = require("axios");
 
 const BASE_URL = "https://weather.com/en-IN/weather/today/l/";