Sentence correction: I confessed what I did yesterday night.

[pavanhotscan]

HI ,

"I confessed what i did yesterday night. the next time i will not reiterate the mistake again".

Could you rectify any grammatical mistakes in the above sentences ?

Regards
Pavan

[Mister Micawber]

.
I confessed what I did last night. I will not make the mistake again.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber