diff --git a/sys/pci/README.bt848 b/sys/pci/README.bt848
index f4c41909dd5..d30f72180f1 100644
--- a/sys/pci/README.bt848
+++ b/sys/pci/README.bt848
@@ -1,8 +1,9 @@
 -------------------------------------------------------------------------------
 Recent versions of 3.0-current have the bktr driver built in.  Older versions
-of 3.0 and all versions of 2.2 need to have the driver filesinstalled by hand:
+of 3.0 and all versions of 2.2 need to have the driver files installed by hand:
 
-cp  brktree_reg.h brooktree848.c /sys/pci/
+cp ioctl_bt848.h /sys/i386/include/
+cp brktree_reg.h brooktree848.c /sys/pci/
 
 In /sys/conf/files add:
 pci/brooktree848.c        optional bktr device-driver