diff --git a/hie.yaml b/hie.yaml
index d23f66c1c4412b87351f6c0ddaaa4f9d5850d5e5..34dde0452ad1f13d1823293b06b2d70f5b1698e3 100644
--- a/hie.yaml
+++ b/hie.yaml
@@ -1,5 +1,8 @@
 # This is a IDE configuration file which tells IDEs such as `ghcide` how
 # to set up a GHC API session for this project.
 #
+# To use it in windows systems replace the config with
+# cradle: {bios: {program: "./hadrian/hie-bios.bat"}}
+#
 # The format is documented here - https://github.com/mpickering/hie-bios
 cradle: {bios: {program: "./hadrian/hie-bios"}}