diff --git a/appvm/qubes.Filecopy.policy b/appvm/qubes.Filecopy.policy
index 39296a1..0a0d735 100644
--- a/appvm/qubes.Filecopy.policy
+++ b/appvm/qubes.Filecopy.policy
@@ -1 +1,6 @@
-anyvm	anyvm	ask,user=root
+## Note that policy parsing stops at the first match,
+## so adding anything below "$anyvm $anyvm action" line will have no effect
+
+## Please use a single # to start your custom comments
+
+$anyvm	$anyvm	ask,user=root
diff --git a/appvm/qubes.OpenInVM.policy b/appvm/qubes.OpenInVM.policy
index e103d39..4121733 100644
--- a/appvm/qubes.OpenInVM.policy
+++ b/appvm/qubes.OpenInVM.policy
@@ -1,2 +1,7 @@
-anyvm	dispvm	allow
-anyvm	anyvm	ask
+## Note that policy parsing stops at the first match,
+## so adding anything below "$anyvm $anyvm action" line will have no effect
+
+## Please use a single # to start your custom comments
+
+$anyvm	$dispvm	allow
+$anyvm	$anyvm	ask
diff --git a/appvm/qvm-open-in-dvm2 b/appvm/qvm-open-in-dvm2
index dcc7195..25e8904 100755
--- a/appvm/qvm-open-in-dvm2
+++ b/appvm/qvm-open-in-dvm2
@@ -25,4 +25,4 @@ if ! [ $# = 1 ] ; then
 	exit 1
 fi
 
-exec /usr/lib/qubes/qrexec_client_vm dispvm qubes.OpenInVM "/usr/lib/qubes/qopen-in-vm" "$1"
+exec /usr/lib/qubes/qrexec_client_vm '$dispvm' qubes.OpenInVM "/usr/lib/qubes/qopen-in-vm" "$1"