Fixed a few small typos and a link

Lazy saturday afternoon, enjoying some :coffee: in the :sunny:, watching :soccer: and reading some hoodie code.
I hope this won't be my last contribution.

Btw. I'm not even sure where `patchIfNotPersistent/patchIfNotPersistant` is used (if at all).
Tests are fine:

~~~
PhantomJS 1.9.7 (Linux): Executed 588 of 588 SUCCESS (8.708 secs / 0.722 secs)
~~~