That's not what happened.
He was trying to put a referendum before the people to VOTE ONE to allow additional terms IF ELECTED - and they removed him from office.
Hugo Chavez tried the SAME THING - and the public voted down the referendum, which he has respected.
All this is no different than members of Congress putting Amendments to the Contitution up to votes - as the Republicans are now doing with their anti-gay marriage Constitutional Amendment.