diff --git a/src/emu/emu_args.c b/src/emu/emu_args.c
index 3a29923..6eb0583 100644
--- a/src/emu/emu_args.c
+++ b/src/emu/emu_args.c
@@ -24,7 +24,7 @@ usage(void)
 	rerr("                     the clocks among nodes. It can be\n");
 	rerr("                     generated by the ovnisync program\n");
 	rerr("\n");
-	rerr("  -b                 Enable breakdown model (costly)\n");
+	rerr("  -b                 Enable breakdown model (experimental)\n");
 	rerr("\n");
 	rerr("  -d                 Enable debug output (very verbose)\n");
 	rerr("\n");