Leap years are included to keep our modern day calender in alignment
Answer:
Correct any mistakes in punctuation and spelling
Explanation:
Editing is the final step of the writing process, the time to polish your writing by fixing errors in grammar, usage, and mechanics.
"Over night" should be all one word, "overnight", and there is no punctuation, or proper capitalization, since the sentence is all in caps.
Hope this helps!