Error in the Readme

[Felipe Cordeiro Caetano]

There is a real error, only the syntax is wrong. In the topic Fnk syntax example is wrong:

(fn [{: keys [a]: or {2}])

the correct would be:

(fn [{: keys [a]: or {2}}])

Excuse me for bad English.

Thank you very much

[Jason Wolfe]

Fixed, thanks for the report!