You can also type your comments carefully. You can also proofread your comments before posting them. You can also delete a comment and repost it with with corrected spelling. You can also use spell check. One time someone was trying to spell 𝘴𝘪𝘨𝘯. They wrote "sine". Because 𝘴𝘪𝘯𝘦 is also a word, spell check did not claim that what they wrote was a misspelling. To make sure that a word that you use is the correct one, you can look it up online to find its definition.