After joining the Order of the Twin adder the text in the call that you get from Minfilia says:

"I have no doubt that you are eager to make the acquaintance of your new comrades, but I would ask that you pay a visit to your old ones first. Remember: though you are now a Flame of Ul’dah, you are no less a Scion! Pray return to the Walking Sands at your earliest convenience. There are some"

When it should read:

"I have no doubt that you are eager to make the acquaintance of your new comrades, but I would ask that you pay a visit to your old ones first. Remember: though you are now a Twin Adder, you are no less a Scion! Pray return to the Walking Sands at your earliest convenience. There are some"