s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES;
        else if (!strcmp(untracked_files_arg, "all"))
                s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES;
+       /*
+        * Please update $__git_untracked_file_modes in
+        * git-completion.bash when you add new options
+        */
        else
                die(_("Invalid untracked files mode '%s'"), untracked_files_arg);
 }
        else if (!strcmp(cleanup_arg, "scissors"))
                cleanup_mode = use_editor ? COMMIT_MSG_CLEANUP_SCISSORS :
                                            COMMIT_MSG_CLEANUP_SPACE;
+       /*
+        * Please update _git_commit() in git-completion.bash when you
+        * add new options.
+        */
        else
                die(_("Invalid cleanup mode %s"), cleanup_arg);