A Last of Us Part 2 fan has pieced together unused dialogue between Ellie and Joel where they discuss her tattoo.
Reddit user taegukie theorises that this conversation was meant to happen in the "Finding Strings" flashback, where Joel talks about the Savage Starlight comic he's been reading.
Here's the full transcript: Joel: "So I noticed that her, uh, hologram... Map thing... It's a moth. Was that where your tattoo came from?" Ellie: "Ugh... Maybe?... Judgy." Joel: "I ain't judging. Just Curious." Ellie: "Liar!" Joel: "Well, like I said, I ain't judging... I think the moth is pretty."