Fixed typo in documentation

[CaselIT]

No description provided.

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[CaselIT]

Had to sign the License Agrreement. I signed it now.

[googlebot]

CLAs look good, thanks!

[todoubaba]

toEqual("bindingValue") => toEqual("providedValue") ?

[CaselIT]

I've used the same code as in the provided example
http://plnkr.co/edit/Ys9ezXpj2Mnoy3Uc8KBp?p=preview

[IgorMinar]

closed by 9cb6dbb

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