diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 9af7aa9..2ec4846 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -233,7 +233,7 @@ static const struct usbmix_name_map maya44_map[] = {
 };
 
 /* Section "justlink_map" below added by James Courtier-Dutton <James@superbug.demon.co.uk>
- * sourced from Maplin Electronics (http://www.maplin.co.uk), part number A56AK
+ * sourced from Maplin Electronics (https://www.maplin.co.uk), part number A56AK
  * Part has 2 connectors that act as a single output. (TOSLINK Optical for digital out, and 3.5mm Jack for Analogue out.)
  * The USB Mixer publishes a Microphone and extra Volume controls for it, but none exist on the device,
  * so this map removes all unwanted sliders from alsamixer