diff --git a/demo/demo.html b/demo/demo.html
index d654207..608fb84 100644
--- a/demo/demo.html
+++ b/demo/demo.html
@@ -1,13 +1,5 @@
 <!DOCTYPE html>
 <head>
-  <!-- <script type="text/javascript" src="https://rawgithub.com/nwcell/ics.js/master/ics.deps.min.js"></script> -->
-
-  <!-- include source files here... -->
-  <script src="../bower_components/Blob.js/Blob.js"></script>
-  <script src="../bower_components/file-saver/FileSaver.js"></script>
-  <script src="../ics.js"></script>
-  <script type="text/javascript" src="https://rawgithub.com/nwcell/ics.js/master/demo/demo.js"></script>
-
   <style>
     html, body {
       height: 100%;
@@ -52,10 +44,41 @@
 </head>
 <body>
   <div class="wrap">
-    <a href="javascript:cal_single.download('Awesome Day')">Single Event</a>
+    <a href="#" onclick="javascript:cal_single.download('Awesome Day')">Single Event</a>
     <br>
-    <a href="javascript:cal.download('Holidays')">Multiple Events</a>
+    <a href="#" onclick="javascript:cal.download('Holidays')">Multiple Events</a>
     <br>
-    <a href="javascript:makelogs(cal)">Console Output</a>
+    <a href="#" onclick="javascript:makelogs(cal)">Console Output</a>
   </div>
+
+  <!-- File Saver Dependency -->
+  <script>/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+    var saveAs=saveAs||function(e){"use strict";if(typeof e==="undefined"||typeof navigator!=="undefined"&&/MSIE [1-9]\./.test(navigator.userAgent)){return}var t=e.document,n=function(){return e.URL||e.webkitURL||e},r=t.createElementNS("http://www.w3.org/1999/xhtml","a"),o="download"in r,a=function(e){var t=new MouseEvent("click");e.dispatchEvent(t)},i=/constructor/i.test(e.HTMLElement)||e.safari,f=/CriOS\/[\d]+/.test(navigator.userAgent),u=function(t){(e.setImmediate||e.setTimeout)(function(){throw t},0)},s="application/octet-stream",d=1e3*40,c=function(e){var t=function(){if(typeof e==="string"){n().revokeObjectURL(e)}else{e.remove()}};setTimeout(t,d)},l=function(e,t,n){t=[].concat(t);var r=t.length;while(r--){var o=e["on"+t[r]];if(typeof o==="function"){try{o.call(e,n||e)}catch(a){u(a)}}}},p=function(e){if(/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(e.type)){return new Blob([String.fromCharCode(65279),e],{type:e.type})}return e},v=function(t,u,d){if(!d){t=p(t)}var v=this,w=t.type,m=w===s,y,h=function(){l(v,"writestart progress write writeend".split(" "))},S=function(){if((f||m&&i)&&e.FileReader){var r=new FileReader;r.onloadend=function(){var t=f?r.result:r.result.replace(/^data:[^;]*;/,"data:attachment/file;");var n=e.open(t,"_blank");if(!n)e.location.href=t;t=undefined;v.readyState=v.DONE;h()};r.readAsDataURL(t);v.readyState=v.INIT;return}if(!y){y=n().createObjectURL(t)}if(m){e.location.href=y}else{var o=e.open(y,"_blank");if(!o){e.location.href=y}}v.readyState=v.DONE;h();c(y)};v.readyState=v.INIT;if(o){y=n().createObjectURL(t);setTimeout(function(){r.href=y;r.download=u;a(r);h();c(y);v.readyState=v.DONE});return}S()},w=v.prototype,m=function(e,t,n){return new v(e,t||e.name||"download",n)};if(typeof navigator!=="undefined"&&navigator.msSaveOrOpenBlob){return function(e,t,n){t=t||e.name||"download";if(!n){e=p(e)}return navigator.msSaveOrOpenBlob(e,t)}}w.abort=function(){};w.readyState=w.INIT=0;w.WRITING=1;w.DONE=2;w.error=w.onwritestart=w.onprogress=w.onwrite=w.onabort=w.onerror=w.onwriteend=null;return m}(typeof self!=="undefined"&&self||typeof window!=="undefined"&&window||this.content);if(typeof module!=="undefined"&&module.exports){module.exports.saveAs=saveAs}else if(typeof define!=="undefined"&&define!==null&&define.amd!==null){define("FileSaver.js",function(){return saveAs})}
+  </script>
+
+
+  <script src="../ics.js"></script>
+
+  <script type="text/javascript">
+    // Demo
+    var cal = ics();
+    cal.addEvent('Christmas', 'Christian holiday celebrating the birth of Jesus Christ', 'Bethlehem', '12/25/2013', '12/25/2013');
+    cal.addEvent('Christmas', 'Christian holiday celebrating the birth of Jesus Christ', 'Bethlehem', '12/25/2014', '12/25/2014');
+    cal.addEvent('New Years', 'Watch the ball drop!', 'New York', '01/01/2015', '01/01/2015');
+    cal.addEvent('New Years', 'Watch the ball drop!', 'New York', '01/01/2016', '01/01/2016');
+
+    var cal_single = ics();
+    cal_single.addEvent('Best Day', 'This is the best day to demonstrate a single event.', 'New York', '11/12/1987', '11/12/1987');
+
+
+    // You can use this for easy debugging
+    var makelogs = function(obj) {
+      console.log('Events Array');
+      console.log('=================');
+      console.log(obj.events());
+      console.log('Calendar With Header');
+      console.log('=================');
+      console.log(obj.calendar());
+    }
+  </script>
 </html>
diff --git a/ics.js b/ics.js
index 599f6e8..115a76b 100644
--- a/ics.js
+++ b/ics.js
@@ -47,7 +47,7 @@ var ics = function(uidDomain, prodId) {
      * @param  {string} begin       Beginning date of event
      * @param  {string} stop        Ending date of event
      */
-    'addEvent': function(subject, description, location, begin, stop, rule) {
+    'addEvent': function(subject, description, location, begin, stop, rrule) {
       // I'm not in the mood to make these optional... So they are all required
       if (typeof subject === 'undefined' ||
         typeof description === 'undefined' ||
@@ -58,48 +58,48 @@ var ics = function(uidDomain, prodId) {
         return false;
       }
 
-      // validate rule
-      if (rule) {
-        if (!rule.rule) {
-          if (rule.freq !== 'YEARLY' && rule.freq !== 'MONTHLY' && rule.freq !== 'WEEKLY' && rule.freq !== 'DAILY') {
-            throw "Recurrence rule frequency must be provided and be one of the following: 'YEARLY', 'MONTHLY', 'WEEKLY', or 'DAILY'";
+      // validate rrule
+      if (rrule) {
+        if (!rrule.rrule) {
+          if (rrule.freq !== 'YEARLY' && rrule.freq !== 'MONTHLY' && rrule.freq !== 'WEEKLY' && rrule.freq !== 'DAILY') {
+            throw "Recurrence rrule frequency must be provided and be one of the following: 'YEARLY', 'MONTHLY', 'WEEKLY', or 'DAILY'";
           }
 
-          if (rule.until) {
-            if (isNaN(Date.parse(rule.until))) {
-              throw "Recurrence rule 'until' must be a valid date string";
+          if (rrule.until) {
+            if (isNaN(Date.parse(rrule.until))) {
+              throw "Recurrence rrule 'until' must be a valid date string";
             }
           }
 
-          if (rule.interval) {
-            if (isNaN(parseInt(rule.interval))) {
-              throw "Recurrence rule 'interval' must be an integer";
+          if (rrule.interval) {
+            if (isNaN(parseInt(rrule.interval))) {
+              throw "Recurrence rrule 'interval' must be an integer";
             }
           }
 
-          if (rule.count) {
-            if (isNaN(parseInt(rule.count))) {
-              throw "Recurrence rule 'count' must be an integer";
+          if (rrule.count) {
+            if (isNaN(parseInt(rrule.count))) {
+              throw "Recurrence rrule 'count' must be an integer";
             }
           }
 
-          if (typeof rule.byday !== 'undefined') {
-            if ((Object.prototype.toString.call(rule.byday) !== '[object Array]')) {
-              throw "Recurrence rule 'byday' must be an array";
+          if (typeof rrule.byday !== 'undefined') {
+            if ((Object.prototype.toString.call(rrule.byday) !== '[object Array]')) {
+              throw "Recurrence rrule 'byday' must be an array";
             }
 
-            if (rule.byday.length > 7) {
-              throw "Recurrence rule 'byday' array must not be longer than the 7 days in a week";
+            if (rrule.byday.length > 7) {
+              throw "Recurrence rrule 'byday' array must not be longer than the 7 days in a week";
             }
 
             // Filter any possible repeats
-            rule.byday = rule.byday.filter(function(elem, pos) {
-              return rule.byday.indexOf(elem) == pos;
+            rrule.byday = rrule.byday.filter(function(elem, pos) {
+              return rrule.byday.indexOf(elem) == pos;
             });
 
-            for (var d in rule.byday) {
-              if (BYDAY_VALUES.indexOf(rule.byday[d]) < 0) {
-                throw "Recurrence rule 'byday' values must include only the following: 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA'";
+            for (var d in rrule.byday) {
+              if (BYDAY_VALUES.indexOf(rrule.byday[d]) < 0) {
+                throw "Recurrence rrule 'byday' values must include only the following: 'SU', 'MO', 'TU', 'WE', 'TH', 'FR', 'SA'";
               }
             }
           }
@@ -145,29 +145,29 @@ var ics = function(uidDomain, prodId) {
       var end = end_year + end_month + end_day + end_time;
       var now = now_year + now_month + now_day + now_time;
 
-      // recurrence rule vars
-      var ruleString;
-      if (rule) {
-        if (rule.rule) {
-          ruleString = rule.rule;
+      // recurrence rrule vars
+      var rruleString;
+      if (rrule) {
+        if (rrule.rrule) {
+          rruleString = rrule.rrule;
         } else {
-          ruleString = 'rule:FREQ=' + rule.freq;
+          rruleString = 'rrule:FREQ=' + rrule.freq;
 
-          if (rule.until) {
-            var uDate = new Date(Date.parse(rule.until)).toISOString();
-            ruleString += ';UNTIL=' + uDate.substring(0, uDate.length - 13).replace(/[-]/g, '') + '000000Z';
+          if (rrule.until) {
+            var uDate = new Date(Date.parse(rrule.until)).toISOString();
+            rruleString += ';UNTIL=' + uDate.substring(0, uDate.length - 13).replace(/[-]/g, '') + '000000Z';
           }
 
-          if (rule.interval) {
-            ruleString += ';INTERVAL=' + rule.interval;
+          if (rrule.interval) {
+            rruleString += ';INTERVAL=' + rrule.interval;
           }
 
-          if (rule.count) {
-            ruleString += ';COUNT=' + rule.count;
+          if (rrule.count) {
+            rruleString += ';COUNT=' + rrule.count;
           }
 
-          if (rule.byday && rule.byday.length > 0) {
-            ruleString += ';BYDAY=' + rule.byday.join(',');
+          if (rrule.byday && rrule.byday.length > 0) {
+            rruleString += ';BYDAY=' + rrule.byday.join(',');
           }
         }
       }
@@ -188,8 +188,8 @@ var ics = function(uidDomain, prodId) {
         'END:VEVENT'
       ];
 
-      if (ruleString) {
-        calendarEvent.splice(4, 0, ruleString);
+      if (rruleString) {
+        calendarEvent.splice(4, 0, rruleString);
       }
 
       calendarEvent = calendarEvent.join(SEPARATOR);
