diff --git a/Makefile b/Makefile
index 84f0efe..d7d1af5 100644
--- a/Makefile
+++ b/Makefile
@@ -207,6 +207,7 @@ clean: libfdt_clean tests_clean
 
 %.tab.c %.tab.h %.output: %.y
 	@$(VECHO) BISON $@
+	@$(VECHO) ---- Expect 2 s/r and 2 r/r. ----
 	$(BISON) -d $<
 
 FORCE: