diff --git a/README.md b/README.md
index 9feeef9..cea6c95 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,15 @@ ps-store-crawler
 ================
 
 A simple script based on CasperJS which craws and purchases FREE games from the PlayStation Store(R) to your account.
+
+### Usage
+```bash
+casperjs craw.js --username={username} --password={password} [--psn-plus-member]
+```
+
+By defaut it craws only [Free To Play](https://store.sonyentertainmentnetwork.com/#!/en-us/free-to-play/cid=STORE-MSF77008-PS3F2PPS3) games.
+
+Use `--psn-plus-member` option in order to buy also from the [PS Plus Free Games page](https://store.sonyentertainmentnetwork.com/#!/en-us/free-games/cid=STORE-MSF77008-PSPLUSFREEGAMES).
+
+### Dependencies
+* [CasperJS](http://casperjs.org/)