diff --git a/app/assets/javascripts/pretty-text/white-lister.js.es6 b/app/assets/javascripts/pretty-text/white-lister.js.es6
index c866c557fa7..c90a3ac6eee 100644
--- a/app/assets/javascripts/pretty-text/white-lister.js.es6
+++ b/app/assets/javascripts/pretty-text/white-lister.js.es6
@@ -198,11 +198,21 @@ export const DEFAULT_LIST = [
   "source[src]",
   "source[data-orig-src]",
   "source[type]",
+  "track",
+  "track[default]",
+  "track[label]",
+  "track[kind]",
+  "track[src]",
+  "track[srclang]",
   "ul",
   "video",
-  "video[height]",
-  "video[width]",
   "video[controls]",
+  "video[controlslist]",
+  "video[crossorigin]",
+  "video[height]",
+  "video[poster]",
+  "video[preload]",
+  "video[width]",
   "ruby",
   "ruby[lang]",
   "rb",