Need to have this doc fix cherry picked to fix the doc build.

[Jessica Tomechak]

*From 4.2-forward.*

*Commit:* 8c5671f4fedd26deb5c06c9efe33468a8585b877 [8c5671f]

*Parents:* 2cfb4136be <rev://2cfb4136be70db5ab30608cd8d43bd4aad97ea81>

*Author:* Jessica <jessica.tomec...@citrix.com>

*Date:* August 26, 2013 4:05:32 PM PDT


DOC. Fix typo to fix doc build.