diff --git a/source/Ox/js/String.js b/source/Ox/js/String.js
index 80f9f34f..0f2be3d3 100644
--- a/source/Ox/js/String.js
+++ b/source/Ox/js/String.js
@@ -80,7 +80,7 @@ Ox.highlightHTML <f> Highlight matches in an HTML string
     > Ox.highlightHTML('a <br> c', 'b', 'h')
     'a <br> c'
 @*/
-Ox.highlightHTML = function(html, str, classname, tags) {
+Ox.highlightHTML = function(html, string, classname, tags) {
     var count = 0,
         isEntity = false,
         isTag = false,
@@ -99,12 +99,12 @@ Ox.highlightHTML = function(html, str, classname, tags) {
         // other
         'a', 'br', 'img',
     ]);
-    str = Ox.encodeHTML(str).toLowerCase();
-    Ox.forEach(html.toLowerCase(), function(chr, i) {
+    string = Ox.encodeHTML(string).toLowerCase();
+    Ox.forEach(html.toLowerCase(), function(char, i) {
         // check for entity or tag start
-        if (!isEntity && chr == '&') {
+        if (!isEntity && char == '&') {
             isEntity = true;
-        } else if (!isTag && chr == '<') {
+        } else if (!isTag && char == '<') {
             Ox.forEach(tags, function(tag) {
                 if (html.slice(i + 1).match(new RegExp('^/?' + tag + '\\W'))) {
                     isTag = true;
@@ -115,12 +115,12 @@ Ox.highlightHTML = function(html, str, classname, tags) {
         // if outside entity or tag
         if (!isEntity && !isTag) {
             // if character matches
-            if (chr == str[count]) {
+            if (char == string[count]) {
                 if (count == 0) {
                     position = i;
                 }
                 count++;
-                if (count == str.length) {
+                if (count == string.length) {
                     // make sure matches are last to first
                     positions.unshift([position, i + 1]);
                 }
@@ -129,9 +129,9 @@ Ox.highlightHTML = function(html, str, classname, tags) {
             }
         }
         // check for entity or tag end
-        if (isEntity && chr == ';') {
+        if (isEntity && char == ';') {
             isEntity = false;
-        } else if (isTag && chr == '>') {
+        } else if (isTag && char == '>') {
             isTag = false;
         }
     });