"/achievement take" commnad not showing when using enter for more parameters

When writing "/acheivement take" and then enter to show more parameters it shows "/acheivement give" and then the parameters...

Edit: It's kind of fixed for 14w34a but not really...
If you write "/achievement take" and the enter it shows: "/achievement <give;take>...." But it should write: "/achievement take ...."
(The "..." is the rest of the parameters)
Also, when you write "give" instead of "take" it's the same...