Spell checkers are great. They’ve helped me become a better speller by readily showing me the correct spelling. But you can’t rely on them alone as the following indicates:
Know More Miss Steaks:
“I have a spelling checker.
It came with my PC.
It plainly marks four my revue
Mistakes I cannot sea.
I’ve run this poem threw it,
I’m sure your please to no.
It’s letter perfect in its weigh;
My checker tolled me sew.”