“Identify the correct punctuation for the sentence: “dont be late””

"The sentence “Don't be late.” requires an apostrophe in “Don't” for the contraction of “do not” and a period for declarative closure. Proper punctuation ensures clarity and adherence to English conventions vital in formal and informal writing. This correction reflects standard usage preventing ambiguity and enhancing readability particularly in instructional or advisory contexts where precise communication is essential."