/* Internal error: unknown option */
if( !b_ignore_errors )
{
- fprintf( stderr, "%s: unknown option ",
- p_this->p_vlc->psz_object_name );
+ fprintf( stderr, "%s: unknown option"
+ " or missing mandatory argument ",
+ p_this->p_vlc->psz_object_name );
if( optopt )
{
fprintf( stderr, "`-%c'\n", optopt );