Update README.md

Expanding on running instructions

README.md

@@ -1,9 +1,11 @@
 passportjs-express-example
 ==========================
 
-Passportjs basic working example using Twitter oauth as I felt the documentation at http://passportjs.org/ was too scattered to easily hit the ground running.
+Passportjs basic working example using Twitter oauth as I felt the documentation at http://passportjs.org/ was too scattered to be able to easily hit the ground running.
 
 Running the app with your credentials
 -------------------------------------
-
+    git clone https://github.com/kulor/passportjs-express-example.git
+    cd passportjs-express-example
+    npm install
     TWITTER_CONSUMER_KEY=xxx TWITTER_CONSUMER_SECRET=xxx node app.js