-C<DESTINATION> directory. If only C<--objstore> is specified
-without C<DIR>, then C<objstore> (C<$DESTINATION/objstore>)
-is the implied value of C<DIR>.
+C<DESTINATION> directory. If only C<--objstore=> is specified
+where C<DIR> is an empty string (C<"">), then C<objstore>
+(C<$DESTINATION/objstore>) is the implied value of C<DIR>.