HID reference doc - broken URL

URL seems broken, patch attached.

Index: uhid.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/uhid.c,v
retrieving revision 1.82
diff -u -p -u -p -r1.82 uhid.c
--- uhid.c 23 Jan 2021 05:08:36 -0000 1.82
+++ uhid.c 29 Jan 2021 12:15:58 -0000
@@ -32,7 +32,7 @@
*/

/*
- * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
+ * HID spec: http://www.usb.org/sites/default/files/hid1_11.pdf
*/

#include "fido.h"

--
Alessandro