diff --git a/README b/README
index d466baf..fe28c5f 100644
--- a/README
+++ b/README
@@ -6,11 +6,10 @@ File origins & License
 ----------------------
 
 Here 'ms-dos' refers to the Microsoft repository, while 'ordos' refers to
-new files for Ordos. Everything is under the MIT license.
+new files for Ordos. Build system files are all new for Ordos. Everything
+is under the MIT license.
 
 boot.asm     ordos
-build.bat    ordos
-clean.bat    ordos
 command.asm  ms-dos  v1.25/source/COMMAND.ASM
 debug.com    ms-dos  v1.25/bin/DEBUG.COM
 edlin.com    ms-dos  v1.25/bin/EDLIN.COM