README.md in macaroons-0.6.0 vs README.md in macaroons-0.6.1

@@ -84,10 +84,10 @@
 
 # User collects a discharge macaroon (likely from a separate service), that proves the claims in the third-party caveat and which may add additional caveats of its own
 discharge = Macaroon.new(
   location: 'http://auth.mybank/',
   identifier: identifier,
-  caveat: Ocaveat_key
+  key: caveat_key
 )
 discharge.add_first_party_caveat('time < 2015-01-01T00:00')
 
 # discharge macaroons are bound to the root macaroon so they cannot be reused
 protected_discharge = m.prepare_for_request(discharge)