diff --git a/README.md b/README.md
index 30762c8..8eebda8 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ LeCore.registerNewAccount(options, cb)        // returns "regr" registration dat
     }
 
 // Registration
-LeCore.getCertificate(options, cb)            // returns (err, pems={ key, cert, ca })
+LeCore.getCertificate(options, cb)            // returns (err, pems={ privkey (key), cert, chain (ca) })
 
     { newAuthzUrl: '<url>'                    //    specify acmeUrls.newAuthz
     , newCertUrl: '<url>'                     //    specify acmeUrls.newCert
diff --git a/lib/get-certificate.js b/lib/get-certificate.js
index 64a05fe..eaf9e6f 100644
--- a/lib/get-certificate.js
+++ b/lib/get-certificate.js
@@ -22,6 +22,7 @@ module.exports.create = function (deps) {
   var Acme = deps.Acme;
   var RSA = deps.RSA;
 
+  // getCertificate // returns "pems", meaning "certs"
   function getCert(options, cb) {
 
     function bodyToError(res, body) {