diff --git a/Bluetooth_LE_beacon/uxplay-beacon.1 b/Bluetooth_LE_beacon/uxplay-beacon.1
index 46bbc42..dda62a6 100644
--- a/Bluetooth_LE_beacon/uxplay-beacon.1
+++ b/Bluetooth_LE_beacon/uxplay-beacon.1
@@ -1,4 +1,4 @@
-.TH UXPLAY 1 2026-01-26 "UxPlay 1.73" "User Commands"
+.TH UXPLAY 1 2026-03-15 "UxPlay 1.73.4" "User Commands"
 .SH NAME
 uxplay-beacon.py  \- Python (>= 3.6) script for a Bluetooth LE Service-Discovery beacon.
 .SH SYNOPSIS
@@ -9,9 +9,12 @@ uxplay-beacon.py  \- Python (>= 3.6) script for a Bluetooth LE Service-Discovery
 UxPlay 1.73: Standalone Python Script for Bluetooth LE Service Discovery
 .nf
 Modules for BLE support:
+
 BlueZ: (Linux, with D-Bus)
 winrt: (Windows)
 BleuIO: (for a BleuIO USB serial device, all platforms, including macOS).
+HCI: Use Host Controller Interface (Linux/*BSD, needs elevated privileges)
+
 The best choice for host platform is made unless option BleuIO is used.
 .SH OPTIONS
 .TP
diff --git a/Bluetooth_LE_beacon/uxplay-beacon.py b/Bluetooth_LE_beacon/uxplay-beacon.py
index 2ab4547..9505e3b 100644
--- a/Bluetooth_LE_beacon/uxplay-beacon.py
+++ b/Bluetooth_LE_beacon/uxplay-beacon.py
@@ -267,9 +267,12 @@ if __name__ == '__main__':
         nargs='?',
         choices=[bleuio, hci, None],
         help=textwrap.dedent('''
-        Specifies whether or not to use the module supporting the BleuIO USB dongle, or
-        (if not supplied) the default native Linux (BlueZ) or Windows (winrt) modules.
+        Allows choice of alternative Bluetooth implementations, supporting the BleuIO
+        USB Bluetooth LE serial device, and direct access to the Bluetooth Host
+        Controller Interface (HCI, Linux/*BSD only). (If not supplied) the default
+        native Linux (BlueZ) or Windows (winrt) modules will be used as appropriate.
         On systems other than Windows or Linux, BleuIO will be the default choice.
+        The HCI module requires elevated privileges to be granted to users.
         ''')
     )