Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy,

It deosn't mttaer inwaht oredr the ltteers in a wrod are,
the olny iprmoetnt tihng is
tahtthe frist and lsat ltteer be at the rghit
pclae

The rset can be a total mses and you can sitll raed it wouthit
porbelm.

Tihs is bcuseae the
huamn mnid deos not raed ervey lteter by istlef,
butthe wrod as a wlohe.