diff --git a/src/Make_bc3.mak b/src/Make_bc3.mak
index dea9e10..a23174f 100644
--- a/src/Make_bc3.mak
+++ b/src/Make_bc3.mak
@@ -1,5 +1,7 @@
 # Makefile for Borland C++ 3.1 or 4.0 to compile a 16 bit version of Vim.
 #
+# NOTE: THIS IS OLD AND PROBABLY NO LONGER WORKS.
+#
 # There are compilation options at the end of this file.
 #
 # Command line variables: