1 files changed, 6 insertions, 1 deletions

diff --git a/app/assets/javascripts/copy_to_clipboard.js b/app/assets/javascripts/copy_to_clipboard.js
index c43af17442b..3e20db7e308 100644
--- a/app/assets/javascripts/copy_to_clipboard.js
+++ b/app/assets/javascripts/copy_to_clipboard.js
@@ -6,14 +6,19 @@
 
   genericSuccess = function(e) {
     showTooltip(e.trigger, 'Copied!');
+    // Clear the selection and blur the trigger so it loses its border
     e.clearSelection();
     return $(e.trigger).blur();
   };
 
+  // Safari doesn't support `execCommand`, so instead we inform the user to
+  // copy manually.
+  //
+  // See http://clipboardjs.com/#browser-support
   genericError = function(e) {
     var key;
     if (/Mac/i.test(navigator.userAgent)) {
-      key = '⌘';
+      key = '⌘'; // Command
     } else {
       key = 'Ctrl';
     }