Typo, 'trust' spelled 'turst'

[conorohiggins]

Page 3, paragraph 2, line 10

[infominer33]

https://github.com/WebOfTrustInfo/rwot1-sf/blob/master/draft-documents/rebranding-web-of-trust.md

leaving this here for reference, for anyone whos curious. appears to have been fixed in the final