Well sure, when you put it that way it sounds like a nothingburger, but considering his character arc has been Brienne training him to be a knight (though she can't actually knight him), I found significance to it. Maybe Jon will knight the both of them before the battle.
Lots of things to find: Tyrion's hand pendant Jaime's golden glove Dany's dragon necklace Bran's wheelchair Arya's Needle Was that the head of Ghost?