diff --git a/erlang-find-requires.py b/erlang-find-requires.py
index 1c493d5..2b1ffd4 100755
--- a/erlang-find-requires.py
+++ b/erlang-find-requires.py
@@ -36,6 +36,11 @@
 ERLLIBDIR = ""
 ERLSHRDIR = "/usr/share/erlang/lib"
 
+##
+## Note $BUILDROOT/erts/emulator/*/erl_bif_list.h is autogenerated using
+## erts/emulator/utils/make_tables script.
+##
+
 # See $BUILDROOT/erts/emulator/*/erl_bif_list.h
 # erlang:F/A
 ErtsBIFProvides = [