Find them.....

[dogdayz]

This sentence contains exactly threee erors.

[maird57]

This sentence contains exactly threee erors.

I only found two

[dishuser]

the last 3 words of that sentence are the errors

[dogdayz]

the last 3 words of that sentence are the errors

I think you are on the right track. It's the last two words and the sentence itself.

[dishuser]

I think you are on the right track. It's the last two words and the sentence itself.

there was 2 errors but to put the word exactly is the third error