note changing challengeType in approveDomains

README.md

@@ -147,6 +147,10 @@ function approveDomains(opts, certs, cb) {
     opts.agreeTos = true;
   }
 
+  // NOTE: you can also change other options such as `challengeType` and `challenge`
+  // opts.challengeType = 'http-01';
+  // opts.challenge = require('le-challenge-fs').create({});
+
   cb(null, { options: opts, certs: certs });
 }
 ```