usual minibuffer exit commands won't exit unless the input completes to
an element of @var{collection}. If @var{require-match} is
@code{confirm-only}, the user can exit with any input, but she will
-asked for a confirmation if the input is not an element of
+be asked for a confirmation if the input is not an element of
@var{collection}. Any other value of @var{require-match} behaves like
@code{t}, except that the exit commands won't exit if it does non-null
completion.