better instructions

README.md

@@ -2,10 +2,11 @@
 
 ### Installation:
 
-1. Got to [twitter's "Register an Application"](http://twitter.com/apps/new)
-2. Once you are done, you will get a **Consumer key** and **Consumer secret**
-4. Enable the `twitteroauth` module in the `bootstrap.php`
-5. go to the `twitteroauth/config/twitteroauth.php` and fill it out
-6. go to your browser and call the `twitter/login` link
-7. if everything worked fine, you should will be redirected to your `base-url`
-8. now you can experiment with the **twitter api**, check out `usage-example.php` to get started
+1. go to [twitter's "Register an Application"](http://twitter.com/apps/new)
+2. make sure your callback url looks like this: `http://your.server/twitter/registered`
+3. once you are done, you will get a **Consumer key** and **Consumer secret**
+5. enable the `twitteroauth` module in the `bootstrap.php`
+6. go to the `twitteroauth/config/twitteroauth.php` and fill it out (use exact the same callback url)
+7. go to your browser and call the `twitter/login` link
+8. if everything worked fine, you should will be redirected to your `base-url`
+9. now you can experiment with the **twitter api**, check out `usage-example.php` to get started