[Bug 33738] Help text for /away doesn't say how to become non-away

[Peter Berry]

Public bug reported:
https://launchpad.net/malone/bugs/33738

Affects: xchat (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

Description:
/help away
Usage: AWAY [<reason>], sets you away

This should also say you can type /away again to exit away mode.