I spoke with Lisa about this and she recommended that I make my request here.
Currently, candidates have the following options
1) choose from list of job boards.
2) Put "other" which then opens up "referred by"
I would like for Referred by to be more apparent. This will be an important data field for us as we want to roll out a referral program. But, when it has 2 click throughs, I'm concerned that candidates won't readily identify the referral.