diff --git a/app/assets/javascripts/pretty-text/white-lister.js.es6 b/app/assets/javascripts/pretty-text/white-lister.js.es6
index 1dc3885a6ae..bd863cf38cc 100644
--- a/app/assets/javascripts/pretty-text/white-lister.js.es6
+++ b/app/assets/javascripts/pretty-text/white-lister.js.es6
@@ -103,6 +103,12 @@ whiteListFeature('default', [
   'p',
   'strong',
   'em',
+  'ins',
+  'del',
+  'abbr[title]',
+  'dl',
+  'dt',
+  'dd',
   'blockquote',
   'div',
   'div.title',