D6/D7 split confusing in documentation

Issue Summary

I poked around in the module's source for five minutes in my D6 install before I figured out that usage is different for D6 and D7. Yeah yeah, RTFM, I see the little note now under the example, but IMO we users would benefit from:

• An obvious header of "Drupal 7" on the main page, with a link to D6 instrux under it, to get my brain thinking D7, or at least
• A link to the D6 page in the "Note" under the .info example, so I won't have to go searching "below" for a D6 example, only to scratch my head again, and figure out that the example is linked to a separate page.

Thanks for a key module!