Just try to read the text:
THE PAOMNNEHAL PWEOROF THE HMUAN MNID
Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy
it deosn´t mttaer in what oredr the ltteers
in a wrod are, the olny iprmoatnt tihng is taht
the frist and lsat ltteer be in the rghit pclae.
The rset can be a taotl mses and you can sitll
raed it wouthit porbelm . Tihs is bcuseae the
huamn mind deos the not raed ervey lteter
by istlef , but the wrod as a wlohe.