Update README.md for migration from npm to yarn

yujiosaka · Dec 5, 2017 · e7d48cc · e7d48cc
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commit e7d48cc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -20,7 +20,7 @@ Powered by [Puppeteer](https://github.com/GoogleChrome/puppeteer), headless-chro
 ### Installation
 
 ```
-npm i headless-chrome-crawler
+yarn add headless-chrome-crawler
 ```
 
 > **Note**: headless-chrome-crawler is powered by [Puppeteer](https://github.com/GoogleChrome/puppeteer). With installation, it automatically downloads a recent version of Chromium. To skip the download, see [Environment variables](https://github.com/GoogleChrome/puppeteer/blob/master/docs/api.md#environment-variables).