- add note about SUSv3 missing options.
diff --git a/coreutils/who.c b/coreutils/who.c
index f336c95..e6bd0af 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -16,6 +16,7 @@
  *
  *----------------------------------------------------------------------
  */
+/* BB_AUDIT SUSv3 _NOT_ compliant -- missing options -b, -d, -H, -l, -m, -p, -q, -r, -s, -t, -T, -u; Missing argument 'file'.  */
 
 #include "libbb.h"
 #include <utmp.h>
@@ -71,5 +72,5 @@
 	}
 	if (ENABLE_FEATURE_CLEAN_UP)
 		endutent();
-	return 0;
+	return EXIT_SUCCESS;
 }