Update comment URL of USB document (HID Usage Tables 1.12)
diff --git a/include/SDL_scancode.h b/include/SDL_scancode.h
index 63871aa..a11d196 100644
--- a/include/SDL_scancode.h
+++ b/include/SDL_scancode.h
@@ -38,7 +38,7 @@
* SDL_Event structure.
*
* The values in this enumeration are based on the USB usage page standard:
- * http://www.usb.org/developers/hidpage/Hut1_12v2.pdf
+ * https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf
*/
typedef enum
{