diff --git a/README.md b/README.md
index cff77124..1882e180 100644
--- a/README.md
+++ b/README.md
@@ -41,14 +41,14 @@ of `Browser`, open pages, and then manipulate them with [Puppeteer's API](https:
 ```js
 const puppeteer = require('puppeteer');
 
-(async() => {
+(async () => {
 
-const browser = await puppeteer.launch();
-const page = await browser.newPage();
-await page.goto('https://example.com');
-await page.screenshot({path: 'example.png'});
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+  await page.goto('https://example.com');
+  await page.screenshot({path: 'example.png'});
 
-browser.close();
+  browser.close();
 })();
 ```
 
@@ -59,14 +59,14 @@ Puppeteer sets an initial page size to 800px x 600px, which defines the screensh
 ```js
 const puppeteer = require('puppeteer');
 
-(async() => {
+(async () => {
 
-const browser = await puppeteer.launch();
-const page = await browser.newPage();
-await page.goto('https://news.ycombinator.com', {waitUntil: 'networkidle'});
-await page.pdf({path: 'hn.pdf', format: 'A4'});
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+  await page.goto('https://news.ycombinator.com', {waitUntil: 'networkidle'});
+  await page.pdf({path: 'hn.pdf', format: 'A4'});
 
-browser.close();
+  browser.close();
 })();
 ```