This runs @code{dired-other-frame}. @xref{Dired}.
@item C-x 5 m
Start composing a mail message in another frame. This runs
-@code{mail-other-frame}. It is the other-frame variant of @kbd{C-x m}.
-@xref{Sending Mail}.
+@code{compose-mail-other-frame}. It is the other-frame variant of
+@kbd{C-x m}. @xref{Sending Mail}.
@item C-x 5 .
Find a tag in the current tag table in another frame. This runs
@code{find-tag-other-frame}, the multiple-frame variant of @kbd{M-.}.