diff --git a/app/telemetry/settings/documentedparam.cpp b/app/telemetry/settings/documentedparam.cpp
index 234b57176..22950180a 100644
--- a/app/telemetry/settings/documentedparam.cpp
+++ b/app/telemetry/settings/documentedparam.cpp
@@ -530,18 +530,19 @@ static std::vector<std::shared_ptr<XParam>> get_parameters_list(){
         {
             auto fc_uart_conn_values=std::vector<ImprovedStringSetting::Item>{
                 {"disable",""},
-                {"serial0","/dev/serial0"},
-                {"serial1","/dev/serial1"},
-                {"ttyS1","/dev/ttyS1"},
-                {"ttyS2","/dev/ttyS2"},
-                {"ttyUSB0","/dev/ttyUSB0"},
-                {"ttyACM0","/dev/ttyACM0"},
-                {"ttyACM1","/dev/ttyACM1"},
-                {"ttyS7","/dev/ttyS7"}
+                {"SERIAL_0","SERIAL_0"},
+                {"/dev/serial0","/dev/serial0"},
+                {"/dev/serial1","/dev/serial1"},
+                {"/dev/ttyS1","/dev/ttyS1"},
+                {"/dev/ttyS2","/dev/ttyS2"},
+                {"/dev/ttyUSB0","/dev/ttyUSB0"},
+                {"/dev/ttyACM0","/dev/ttyACM0"},
+                {"/dev/ttyACM1","/dev/ttyACM1"},
+                {"/dev/ttyS7","/dev/ttyS7"}
             };
             append_string(ret,"FC_UART_CONN",ImprovedStringSetting{fc_uart_conn_values},
-                          "Telemetry FC<->Air unit. Make sure FC_UART_BAUD matches your FC. For rpi users, select serial0 for GPIO serial. "
-                          "See the wiki for more info.");
+                          "Telemetry FC<->Air unit. Make sure FC_UART_BAUD matches your FC. SERIAL_0 - default, primary telemetry serial of this platform (see wiki)."
+                          "Otherwise, any linux serial fd filename (dev/testing).");
             //same for ground uart out
             append_string(ret,"TRACKER_UART_OUT",ImprovedStringSetting{fc_uart_conn_values},
                           "Enable mavlink telemetry out via UART on the ground station for connecting a tracker or even an RC with mavlink lua script.");