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 pleased too no.
It's letter perfect in it's weigh.
My checker tolled me sew.
        -- Pennye Harper

Article: 3739 of rec.humor.funny
Date: Mon, 13 Jul 92 19:30:3 EDT
From: amunn@umd5.umd.edu (Alan Munn)
Subject: Spelling chequer woes
Found on a chalkboard in a classroom at Purdue. Posted with permission of John O'Malley (omalley@cc.purdue.edu) (who found it but isn't the author).