@code{Cc} headers, @code{ecomplete} will check out the values stored
there and ``electrically'' say what completions are possible. To
choose one of these completions, use the @kbd{M-n} command to move
-down to the list. Use @kbd{M-n} and @kbd{M-p} to move down and up the
-list, and @kbd{RET} to choose a completion.
+down to the list. Use @kbd{@key{DOWN}} or @kbd{M-n} and
+@kbd{@key{UP}} or @kbd{M-p} to move down and up the list, and
+@kbd{@key{RET}} to choose a completion.
The @code{ecomplete-sort-predicate} variable controls how
@code{ecomplete} matches are sorted.