diff --git a/hardware/audio/internal.conf b/hardware/audio/internal.conf
index 2dd5095..17534b9 100644
--- a/hardware/audio/internal.conf
+++ b/hardware/audio/internal.conf
@@ -1,6 +1,9 @@
 # These are the standard aliases and dependencies.
 # This file does not need to be modified.
 
+# Do not change or remove line below
+# Internal audio card as first device
+
 # prevent unusual drivers from appearing as the first sound device ###########
 options snd-pcsp index=-2
 # disable for USB audio default
diff --git a/hardware/audio/usb.conf b/hardware/audio/usb.conf
index a0886d9..5ef21b8 100644
--- a/hardware/audio/usb.conf
+++ b/hardware/audio/usb.conf
@@ -1,6 +1,9 @@
 # These are the standard aliases and dependencies.
 # This file does not need to be modified.
 
+# Do not change or remove line below
+# USB audio card as first device
+
 # prevent unusual drivers from appearing as the first sound device ###########
 options snd-pcsp index=-2
 # disable for USB audio default