* doc/emacs/mini.texi (Completion Options): Fix typo.
@vindex completions-highlight-face
When @code{completions-highlight-face} names a face, the current
completion candidate, the one that will be selected by typing
-@kbd{@key}RET}} or clicking the mouse, will be highlighted using that
+@kbd{@key{RET}} or clicking the mouse, will be highlighted using that
face. The default value of this variable is
@code{completions-highlight}; the value is @code{nil} disables this
highlighting. This feature uses the special text property