間違えてる

have wrong, be mistaken

→ 間違える
verb · informal, present tense Rare #41,329
have wrong, be mistaken Colloquial contraction of 間違えている.
JA: 名前を間違えてるよ。
EN: You have the name wrong.
Conjugation of 間違える
Indicative present
間違えてる

探す所を間違えてるんじゃ?

Maybe you're looking in the wrong place?

— パディントン2 (2017)

私の名前の綴り間違えてるし。

You spelled my name wrong.

僕の着信音は何かなってでも間違えてる

I wonder what my ringtone is—but even that’s wrong.

— Hoje Eu Quero Voltar Sozinho (2014)

間違えてるよ。

You've got it wrong.