diff --git a/kadmin/del.c b/kadmin/del.c
index 41a4d3a2c..8ca2c5b8c 100644
--- a/kadmin/del.c
+++ b/kadmin/del.c
@@ -49,7 +49,7 @@ del_entry(void *opt, int argc, char **argv)
     krb5_error_code ret;
 
     if(argc == 0) {
-	printf("foo\n");
+	printf("usage: delete principal ...\n");
 	return 0;
     }