Typo within a quest Kan-E-Senna

As you can see within the image below, the first time you run into Kan-E-Senna after leaving the airship there is a typo within the dialogue. I have included the specific text/string within the image below
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http://i.imgur.com/wUb6y7j.jpg

This is intentional. The phrase "must needs" pops up many times throughout the game. Whether it's old English or specific to eorzea I don't know, but it is an established thing.