Aww. Sorry to bother you, if one says ‘Allah is my Lord’ in jummah salah by mistake without thinking about it but instinctively does that break his salah?

Answer: Mufti rashid Ahmed ludhyanwi writes that such namaz is makroohe tahreemi and wajibul iaadah, therefore repeat it as zuhr, there is still time left.
(Ahsanul fatawa 433/3)