"Right. Time to do a 100 word challenge. Here goes:"
Jo. ,u ms,r od Tjosmms. jrjr. Eju od yjod mpy eptlomh?
"Mum! The typewriter won't work!"
"Was that your brother again?"
"I don't know! I type H and it comes out as J!"
"H and J are next to each other, aren't they?"
"Yes, they are."
"Type one before the letter you want to type."
And I thought 'Well what a start'. Can you decode the message I wrote? I'll give you a clue, it's one character after the one I wanted to type on the standard keyboard.