diff --git a/helma/Url.js b/helma/Url.js
index b9c7b40e..eab77b68 100644
--- a/helma/Url.js
+++ b/helma/Url.js
@@ -38,40 +38,76 @@ helma.Url = function(str) {
     str = str.replace(/[,.;:]\s/, "");
 
     var parts = helma.Url.PATTERN.exec(str);
+    /**
+     * Protocol segment of this URL
+     */
     this.protocol = parts[1];
 
     if (!parts[2]) {
         if (parts[3])
+            /**
+             * User name segment of this URL
+             */
             this.user = parts[3];
     } else {
         this.user = parts[2];
         if (parts[3])
+            /**
+             * Password segment of this URL
+             */
             this.password = parts[3];
     }
 
     if (!parts[4])
         throw Error("Cannot create helma.Url: missing host part");
 
+    /**
+     * Fully qualified domain name segment of this URL
+     */
     this.domainName = parts[4]; // actually, the fully-qualified domain name
     var fqdnParts = this.domainName.split(".");
     if (fqdnParts.length < 3)
         this.host = "";
     else {
+        /**
+         * Host name segment of this URL
+         */
         this.host = fqdnParts[0];
         fqdnParts.splice(0, 1);
     }
+    /**
+     * Top level domain name segment of this URL
+     */
     this.topLevelDomain = fqdnParts[fqdnParts.length-1];
+    /**
+     * Domain name segment of this URL
+     */
     this.domain = fqdnParts.join(".");
 
+    /**
+     * Request path segment of this URL as string
+     */
     this.pathString = parts[5] || "";
     if (this.pathString.indexOf("/") == 0)
         this.pathString = this.pathString.substring(1);
+    /**
+     * Request path segment of this URL as array
+     */
     this.path = this.pathString.split("/");
+    /**
+     * File name segment of this URL
+     */
     this.file = this.path.pop();
 
     if (parts[6]) {
+        /**
+         * Query parameter segment of this URL as string
+         */
         this.queryString = parts[6];
         var pairs;
+        /**
+         * Query parameter segment of this URL as object
+         */
         this.query = {};
         parts = parts[6].split("&");
         for (var i in parts) {