diff --git a/src/resources/resources_css.js b/src/resources/resources_css.js
index 8aa34403971..f114562763d 100644
--- a/src/resources/resources_css.js
+++ b/src/resources/resources_css.js
@@ -22,6 +22,17 @@ pc.extend(pc, function () {
         }
     };
 
+    /**
+     * @function
+     * @name pc.createStyle
+     * @description Creates a <style> DOM element from a string that contains CSS
+     * @param {string} cssString A string that contains valid CSS
+     * @example
+     * var css = 'body {height: 100;}';
+     * var style = pc.createStyle(css);
+     * document.head.appendChild(style);
+     * @return {Element} The style DOM element
+     */
     var createStyle = function (cssString) {
         var result = document.createElement('style');
         result.type = 'text/css';