diff --git a/README b/README
index 6a646d7..5a3d80a 100644
--- a/README
+++ b/README
@@ -13,15 +13,15 @@ The Element object has a method toXml() which returns a String with whitespace i
 Thats it (for now) no bells, no whistles. 
 
 
-var DomJS = require("dom-js").DomJS;
+    var DomJS = require("dom-js").DomJS;
 
-var domjs = new DomJS();
+    var domjs = new DomJS();
 
-var string = '<xml><!-- the comment --><elem someAtt="fat &amp; red">Hello &amp; World</elem></xml>';
-domjs.parse(string, function(err, dom) {
-	console.log(util.inspect(dom, false, 23));
-	console.log("serializes to : " + dom.toXml());
-});
+    var string = '<xml><!-- the comment --><elem someAtt="fat &amp; red">Hello &amp; World</elem></xml>';
+    domjs.parse(string, function(err, dom) {
+    	console.log(util.inspect(dom, false, 23));
+    	console.log("serializes to : " + dom.toXml());
+    });
 
 
 
diff --git a/lib/dom-js.js b/lib/dom-js.js
index 9ddd953..7dbcf73 100644
--- a/lib/dom-js.js
+++ b/lib/dom-js.js
@@ -45,6 +45,10 @@ DomJS = function() {
 };
 
 DomJS.prototype.parse = function(string, cb) {
+	if (typeof string != 'string') {
+		cb(true, 'Data is not a string');
+		return;
+	}
 	var self = this;
 	parser = sax.parser(strict);
 
diff --git a/package.json b/package.json
index bd39d41..b45e231 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "dom-js",
-  "version": "0.1",
+  "version": "0.0.2",
+  "description" : "XML DOM based on sax",
   "dependencies": {
     "sax": ">=0.1.5"
   },