diff --git a/script/pen.js b/script/pen.js
index 2ab8744..5fc062c 100644
--- a/script/pen.js
+++ b/script/pen.js
@@ -1,33 +1,36 @@
-var yearmod = 288
+/* jshint browser: true, jquery: true */
+/* global ClipboardJS */
+'use strict';
+var yearmod = 288;
 
-$(document).ready(function() {
+$(document).ready(function () {
     $('#year').html(getYear());
 
     $('#input').bind('input change', run);
-    $('#save').click(function() { download('pencode.txt', $('#input').val()) });
-    $('#load').click(function() { loadFile($('#template').val()) });
+    $('#save').click(function () { download('pencode.txt', $('#input').val()); });
+    $('#load').click(function () { loadFile($('#template').val()); });
 
     $('.controlgroup').controlgroup();
 
     // get clipboard.js set up
     var clip = new ClipboardJS('#copy');
-    clip.on('success', function() {
-        alert('Copied to clipboard.')
+    clip.on('success', function () {
+        alert('Copied to clipboard.');
     });
-    clip.on('failure', function() {
-        alert('Failed to copy.')
+    clip.on('failure', function () {
+        alert('Failed to copy.');
     });
 
     // keep #copy loaded with the path currently on #template
-    $('#template').on('selectmenuchange', function() { 
-        var temp = $('#template').val()
-        $('#copy').attr('data-clipboard-text','http://ps.ss13.net#' + temp.substring(0, temp.indexOf('.txt'))) 
+    $('#template').on('selectmenuchange', function () {
+        var temp = $('#template').val();
+        $('#copy').attr('data-clipboard-text','http://ps.ss13.net#' + temp.substring(0, temp.indexOf('.txt')));
     });
 
-    setTimeout(function() {
+    setTimeout(function () {
         var hash = $(location).attr('hash');
-        loadFile(hash ? hash.substring(1) + '.txt' : 'instructions.txt')
-    }, 100); 
+        loadFile(hash ? hash.substring(1) + '.txt' : 'instructions.txt');
+    }, 100);
 
 });
 
@@ -102,7 +105,7 @@ function processText(str) {
         .replaceAll('[xynlogo]', '<img src = ./img/xynlogo.png>')
 
         .replaceAll('[editorbr]', '')
-    )
+    );
 
     return str;
 }
@@ -140,7 +143,7 @@ function download(filename, text) {
 
   document.body.removeChild(element);
 
-  alert('Document saved as ' + filename)
+  alert('Document saved as ' + filename);
 }
 
 function loadFile(filename) {