1 files changed, 2 insertions, 0 deletions
diff --git a/common.mk b/common.mk
index fb59f08ae1..e16f241570 100644
--- a/common.mk
+++ b/common.mk
@@ -1,4 +1,6 @@
 # -*- mode: makefile-gmake; indent-tabs-mode: t -*-
+# This fragment can be used with nmake.exe and with bsdmake.
+# Avoid features specific to GNU Make.
 
 bin: $(PROGRAM) $(WPROGRAM)
 lib: $(LIBRUBY)