Index: uspace/app/mixerctl/mixerctl.c
===================================================================
--- uspace/app/mixerctl/mixerctl.c	(revision 1912b4519763bcbb573d6ccbc668efc042d978fa)
+++ uspace/app/mixerctl/mixerctl.c	(revision c799138bf81eb70094913af3d4fab04d7d8b72a2)
@@ -173,4 +173,9 @@
 	} else {
 		print_levels(exch);
+		printf("\n%s:\n", argv[0]);
+		printf("Use '%s getlevel idx' command to read individual "
+		    "settings\n", argv[0]);
+		printf("Use '%s setlevel idx' command to change "
+		    "settings\n", argv[0]);
 	}