Type the following in guild chat or by /tell to the bot.
!help comalias
The outpis is this:
::::: HELP ON COMALIAS :::::
Handles Command Aliases.
!comalias add <alias> <command> - Sets <alias> as an alias of <command>.
!comalias del <alias> - Deletes <alias>.
!comalias rem <alias> - Deletes <alias>.
!comalias - Show All Aliases.
EDIT.
Example:
[Guild] [Wezon]: !comalias add timmytime brb
[Guild] [Bootybot]: timmytime is now an alias of brb!
[Guild] [Wezon]: !timmytime
[Guild] [Bootybot]: Wezon is back. AFK for (2 Minutes)