Employee Referral” vs actual internal referral - should I go back to my contacts?

I’ve networked with a few people for corporate banking who ended our conversations by saying something along the lines of “when applications open, let me know if I can help.”  When the roles opened, I applied through Workday and selected Employee Referral under “How did you hear about us?” and entered their names. I then let them know I applied and used their name.  I’m now wondering if I misunderstood how referrals work. Does entering someone’s name there actually count as an internal referral / meaningfully flag the application, or is it mostly just a sourcing field? If these people had previously offered to help when recruiting started, should I go back to them and specifically ask whether they’d be willing to submit an internal referral or flag my application to recruiting? Or would that be redundant/annoying after I already put their name down in Workday?  Curious how this works from anyone who has recruited at a bank or referred candidates internally.