diff --git a/lib/ecstatic/opts.js b/lib/ecstatic/opts.js
index <HASH>..<HASH> 100644
--- a/lib/ecstatic/opts.js
+++ b/lib/ecstatic/opts.js
@@ -4,7 +4,7 @@ module.exports = function (opts) {
 
   var autoIndex = true,
       showDir = false,
-      humanReadable = false,
+      humanReadable = true,
       si = false,
       cache = 'max-age=3600',
       gzip = false,
@@ -34,7 +34,8 @@ module.exports = function (opts) {
 
     [
       'humanReadable',
-      'humanreadable'
+      'humanreadable',
+      'human-readable'
     ].some(function (k) {
       if (typeof opts[k] !== 'undefined' && opts[k] !== null) {
         humanReadable = opts[k];
@@ -43,7 +44,8 @@ module.exports = function (opts) {
     });
 
     [
-      'si'
+      'si',
+      'index'
     ].some(function (k) {
       if (typeof opts[k] !== 'undefined' && opts[k] !== null) {
         si = opts[k];
Opts for human-readable and si