-Note that in Common Lisp, the first argument to @code{check-type}
-must be a @var{place} suitable for use by @code{setf}, because
-@code{check-type} signals a continuable error that allows the
-user to modify @var{place}.
+Note that as in Common Lisp, the first argument to @code{check-type}
+should be a @var{place} suitable for use by @code{setf}, because
+@code{check-type} signals a continuable error that allows the user to
+modify @var{place}, most simply by returning a value from the debugger.