diff --git a/html/html.php b/html/html.php
index 1f19e56..d76e790 100644
--- a/html/html.php
+++ b/html/html.php
@@ -1,10 +1,50 @@
 <?php
+/**
+ * System - PHP Framework
+ *
+ * PHP Version 5.6
+ *
+ * @copyright   2016 Ulf Gebhardt (http://www.webcraft-media.de)
+ * @license     http://www.opensource.org/licenses/mit-license.php MIT
+ * @link        https://github.com/webcraftmedia/system
+ * @package     SYSTEM\HTML
+ */
 namespace SYSTEM\HTML;
+
+/**
+ * HTML Class provided by System to generate common HTML tags.
+ */
 class html{
+    /**
+     * Generate <link> tag
+     *
+     * @param string $href href attribute
+     * @param string $rel rel attribute
+     * @param string $type type attribute
+     * @return string Returns link tag string.
+     */
     public static function link($href,$rel = 'stylesheet',$type = 'text/css'){
         return '<link href="'.$href.'" rel="'.$rel.'" type="'.$type.'"/>';}
+        
+    /**
+     * Generate <script> tag
+     *
+     * @param string $src src attribute
+     * @param string $type type attribute
+     * @param string $rel rel attribute
+     * @param string $language language attribute
+     * @param string $script script contents
+     * @return string Returns script tag string.
+     */
     public static function script($src,$type = 'text/javascript',$rel = 'stylesheet', $language = 'JavaScript', $script = ''){
         return '<script src="'.$src.'" language="'.$language.'" type="'.$type.'">'.$script.'</script>';}
+        
+    /**
+     * Generate <style> tag
+     *
+     * @param string $style style contents
+     * @return string Returns style tag string.
+     */
     public static function style($style){
         return '<style> '.$style.'</style>';}
-}
+}
\ No newline at end of file