diff --git a/modules/ui/hl-todo/config.el b/modules/ui/hl-todo/config.el
index a616bdc69..40fd61f70 100644
--- a/modules/ui/hl-todo/config.el
+++ b/modules/ui/hl-todo/config.el
@@ -20,7 +20,12 @@
           ;; directed at another user other than the author.
           ("NOTE" success bold)
           ;; For things that just gotta go and will soon be gone.
-          ("DEPRECATED" font-lock-doc-face bold)))
+          ("DEPRECATED" font-lock-doc-face bold)
+          ;; For a known bug that needs a workaround
+          ("BUG" error bold)
+          ;; For warning about a problematic or misguiding code
+          ("XXX" font-lock-constant-face bold)))
+
 
   (defadvice! +hl-todo-clamp-font-lock-fontify-region-a (orig-fn &rest args)
     "Fix an `args-out-of-range' error in some modes."