The Maori and the English version of treaty of Waitangi(sos)

The Maori and the English version of treaty of Waitangi don't have the same meaning.

The Maori version/text says that Maori chiefs were giving up Te kawanatanga katoa.,(governorship

to the crown (queen of England)Where as the English Version/text,says that Maori were giving the crown full complete 'Sovereignty 'rights and power over their land