Tweet from The Labour Party (@UKLabour) showing the degree of incompetence within the Labour Party

The Labour Party (@UKLabour) tweeted at 0:43 PM on Wed, Dec 03, 2014:
According to George Osborne, this is what it looks like when the plan is working. #onlyforafew http://t.co/36XFtMmigS
(https://twitter.com/UKLabour/status/540124185289170944)

Have the Labour Party not heard of a spell checker? How long did the Labour Party have to prepare this image and check it? Who signed off on it? 

If the Conservative party had made such a mistake the BBC would be all over the story but as it's theit Labout allies, not a word.