Under 1.1 What are collaboration tools? First paragraph, first sentence, add comma after "editing"

[jenstrickland]

Current:
For the purposes of this document, a collaboration tool is any software that supports features designed to facilitate the interactive creation, editing or annotation of content by multiple contributors.

Recommend:
For the purposes of this document, a collaboration tool is any software that supports features designed to facilitate the interactive creation, editing, or annotation of content by multiple contributors.