Changing screenshot for heroku plugin. Adding more details to the ind…

…ex page.

heroku-addon.md

@@ -66,7 +66,7 @@ The dashboard can be accessed via the CLI:
 
 or by visiting the [Heroku apps web interface](http://heroku.com/myapps) and selecting the application in question. Select SourceNinja from the Add-ons menu.
 
-![SourceNinja Add-ons Dropdown](http://cl.ly/3s3G3r412T1c282Q3Q1F/Screen%20shot%202012-03-12%20at%2011.11.02%20AM.png "SourceNinja Add-ons Dropdown")
+![SourceNinja Add-ons Dropdown](http://cl.ly/1Z3x0d1g302j0D28400A/DropDown.png "SourceNinja Add-ons Dropdown")
 
 ## Monitoring & Logging
 

index.md

@@ -3,8 +3,18 @@ layout: page
 title: Documentation
 ---
 
+[SourceNinja](http://www.sourceninja.com) is an easy way to manage the open source software that your application uses. SourceNinja keeps you aware of patches that are released for any open source project or library that you integrate into your application.
+
+The key benefits of using SourceNinja are:
+
+* Understanding what packages need to be updated.
+* Having actionable information to determine whether an update should take place.
+* Receiving alerts when updates become available for Open Source packages.
+
 Below are tutorials on how to integrate SourceNinja into your application and begin keeping your packages up-to-date.
 
+## Integration Points
+
 [Heroku Add-On](heroku-addon)
 
 [sourceninja-ruby gem](sourceninja-gem)