my mistake
No fue hasta entonces que me di cuenta de mi error.
It wasn't until then that I realized my mistake.
Espero que mi error le pase desapercibido.
I hope my mistake goes unnoticed.
Don't laugh at my mistake.
I have acknowledged my mistake.
It is my unforgivable mistake.
— Ирония судьбы, или С легким паром! (1976)