diff --git a/README.md b/README.md
index 9743058..083feff 100644
--- a/README.md
+++ b/README.md
@@ -261,6 +261,8 @@ var lex = require('greenlock-express').create({
 
   // Join the community to get notified of important updates and help me make greenlock better
 , communityMember: true
+
+, store: require('le-store-certbot').create({ webrootPath: '/tmp/acme-challenges' })
 });
 ```
 
@@ -268,12 +270,16 @@ The Automatic Certificate Issuance is initiated via SNI (`httpsOptions.SNICallba
 For security, domain validation MUST have an approval callback in *production*.
 
 ```javascript
+var http01 = require('le-challenge-fs').create({ webrootPath: '/tmp/acme-challenges' });
 function approveDomains(opts, certs, cb) {
   // This is where you check your database and associated
   // email addresses with domains and agreements and such
 
+  // Opt-in to submit stats and get important updates
   opts.communityMember = true;
 
+  opts.challenges = { 'http-01': http01 };
+
   // The domains being approved for the first time are listed in opts.domains
   // Certs being renewed are listed in certs.altnames
   if (certs) {
diff --git a/lex.js b/lex.js
index 751e2dc..d3211e9 100644
--- a/lex.js
+++ b/lex.js
@@ -68,7 +68,7 @@ module.exports.create = function (opts) {
     ports.forEach(function (p) {
       if (!(parseInt(p, 10) >= 0)) { console.warn("'" + p + "' doesn't seem to be a valid port number for https"); }
       promises.push(new PromiseA(function (resolve) {
-        var server = require('https').createServer(le.httpsOptions, le.middleware(le.app)).listen(p, function () {
+        var server = require('https').createServer(le.tlsOptions, le.middleware(le.app)).listen(p, function () {
           console.log("Success! Serving https on port '" + p + "'");
           resolve();
         }).on('error', function (e) {