Update README.md

Amine Mouafik · Amine Mouafik · commit 3907599ba0f2 · 2014-12-13T00:08:36.000+07:00
diff --git a/README.md b/README.md
@@ -4,7 +4,7 @@
 
 ## Installation
 
-`npm install node-authorize-net`
+`npm install -s authorize-net`
 
 ## Usage
 
