On the 1st steps page, step two states:
Xcode Step 2: Integrate the API Documentation
Open up the Xcode preferences and enter the Documentation tab. Add the following publisher:
http://doc.sparrow-framework.org/core/feed/docset.atom
Now you can get information about Sparrow classes and methods with the Alt single-click on symbol shortcut.
However, in Xcode 5, the documentation tab is gone from the preferences ... ANyone know where it went? I would like to add the documentation.