fixing npm install instructions

`npm install servi.js` didn't work for me but `npm install servi` did.
antiboredom · Aug 14, 2014 · c3e40ee · c3e40ee
1 parent 6f5fd60
commit c3e40ee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -9,7 +9,7 @@ Getting Started
 ========
 1: Install node.js
 
-2: npm install servi.js
+2: npm install servi
 
 3: Create a simple server 
 ```javascript