Fix

assets/sw.js

@@ -597,7 +597,7 @@ router.post('/api/bookmark', async (call) => {
 // a template never has to spell one out. bad is the ones that did not happen.
 const TOASTS = {
   'copied': { text: 'Link copied.' },
-  'copy-refused': { text: 'Copy the link above — this browser would not '
+  'copy-refused': { text: 'Copy the link above: this browser would not '
                           + 'take it.', bad: true },
   'bookmarked': { text: 'Bookmark set.' },
   'bookmark-refused': { text: 'Could not save the bookmark: storage '