diff --git a/src/ecopcr.c b/src/ecopcr.c
index decdb48..20a9bce 100644
--- a/src/ecopcr.c
+++ b/src/ecopcr.c
@@ -413,6 +413,7 @@ int main(int argc, char **argv)
 	printf("# direct  strand oligo1 : %-32s ; oligo2c : %32s\n", o1->cpat,o2c->cpat);
 	printf("# reverse strand oligo2 : %-32s ; oligo1c : %32s\n", o2->cpat,o1c->cpat);
 	printf("# max error count by oligonucleotide : %d\n",error_max);
+	
 	printf("# database : %s\n",prefix);
 	if (lmin && lmax)
 		printf("# amplifiat length between [%d,%d] bp\n",lmin,lmax);
@@ -420,6 +421,10 @@ int main(int argc, char **argv)
 		printf("# amplifiat length larger than %d bp\n",lmin);
 	else if (lmax)
 		printf("# amplifiat length smaller than %d bp\n",lmax);
+	if (kingdom_mode)
+		printf("# output in kingdom mode\n");
+	else
+		printf("# output in superkingdom mode\n");
 	printf("#\n");
 
 	taxonomy = read_taxonomy(prefix);