diff --git a/docs/docs/config/system.md b/docs/docs/config/system.md
index 1e9ae87e..f8324ae9 100644
--- a/docs/docs/config/system.md
+++ b/docs/docs/config/system.md
@@ -72,6 +72,10 @@ Exactly zero or one of the following options may be set to `y`. The first is use
 | `CONFIG_ZMK_USB_BOOT`             | bool   | Enable USB Boot protocol support        | n               |
 | `CONFIG_ZMK_USB_INIT_PRIORITY`    | int    | USB init priority                       | 50              |
 
+:::note USB Boot protocol support
+
+By default USB Boot protocol support is disabled, however in certain situations such as the input of Bitlocker pins or FileVault passwords may require it to be enabled.
+
 ### Bluetooth
 
 See [Zephyr's Bluetooth stack architecture documentation](https://docs.zephyrproject.org/latest/guides/bluetooth/bluetooth-arch.html)