docs: add preamble to install section

jshttp · Mar 18, 2017 · 30c2147 · 30c2147
1 parent 7e884ce
commit 30c2147
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -10,6 +10,10 @@ Determine address of proxied request
 
 ## Install
 
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
 ```sh
 $ npm install proxy-addr
 ```