V4L/DVB: af9013: fix comments

Fix comments. It is demodulator driver not DVB USB -bridge.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c
index 2ba28c5..dac917f 100644
--- a/drivers/media/dvb/frontends/af9013.c
+++ b/drivers/media/dvb/frontends/af9013.c
@@ -1,5 +1,5 @@
 /*
- * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
+ * Afatech AF9013 demodulator driver
  *
  * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
  *
diff --git a/drivers/media/dvb/frontends/af9013.h b/drivers/media/dvb/frontends/af9013.h
index e90fa92..72c71bb 100644
--- a/drivers/media/dvb/frontends/af9013.h
+++ b/drivers/media/dvb/frontends/af9013.h
@@ -1,5 +1,5 @@
 /*
- * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
+ * Afatech AF9013 demodulator driver
  *
  * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
  *
diff --git a/drivers/media/dvb/frontends/af9013_priv.h b/drivers/media/dvb/frontends/af9013_priv.h
index 7b9834a..0fd42b7 100644
--- a/drivers/media/dvb/frontends/af9013_priv.h
+++ b/drivers/media/dvb/frontends/af9013_priv.h
@@ -1,5 +1,5 @@
 /*
- * DVB USB Linux driver for Afatech AF9015 DVB-T USB2.0 receiver
+ * Afatech AF9013 demodulator driver
  *
  * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
  *