diff --git a/ArduPlane/Parameters.h b/ArduPlane/Parameters.h
index 7210bfe777..2a9a5ef071 100644
--- a/ArduPlane/Parameters.h
+++ b/ArduPlane/Parameters.h
@@ -159,14 +159,14 @@ public:
 
         // 110: Telemetry control
         //
-        k_param_gcs0 = 110,         // stream rates for uartA
-        k_param_gcs1,               // stream rates for uartC
+        k_param_gcs0 = 110,         // stream rates for SERIAL0
+        k_param_gcs1,               // stream rates for SERIAL1
         k_param_sysid_this_mav,
         k_param_sysid_my_gcs,
         k_param_serial1_baud_old,   // deprecated
         k_param_telem_delay,
         k_param_serial0_baud_old,   // deprecated
-        k_param_gcs2,               // stream rates for uartD
+        k_param_gcs2,               // stream rates for SERIAL2
         k_param_serial2_baud_old,   // deprecated
         k_param_serial2_protocol,   // deprecated