diff --git a/AntennaTracker/GCS_Mavlink.cpp b/AntennaTracker/GCS_Mavlink.cpp
index 5393017b9b..57a7ecd6d5 100644
--- a/AntennaTracker/GCS_Mavlink.cpp
+++ b/AntennaTracker/GCS_Mavlink.cpp
@@ -508,7 +508,7 @@ void Tracker::mavlink_check_target(const mavlink_message_t* msg)
                     msg->sysid,
                     msg->compid,
                     MAV_DATA_STREAM_POSITION,
-                    g.mavlink_update_rate,  // 1hz
+                    g.mavlink_update_rate,
                     1); // start streaming
             }
             // request air pressure
@@ -518,7 +518,7 @@ void Tracker::mavlink_check_target(const mavlink_message_t* msg)
                     msg->sysid,
                     msg->compid,
                     MAV_DATA_STREAM_RAW_SENSORS,
-                    g.mavlink_update_rate,  // 1hz
+                    g.mavlink_update_rate,
                     1); // start streaming
             }
         }
diff --git a/AntennaTracker/Parameters.cpp b/AntennaTracker/Parameters.cpp
index f5ad8713c7..de28506b77 100644
--- a/AntennaTracker/Parameters.cpp
+++ b/AntennaTracker/Parameters.cpp
@@ -224,7 +224,7 @@ const AP_Param::Info Tracker::var_info[] = {
     // @Param: MAV_UPDATE_RATE
     // @DisplayName: Mavlink Update Rate
     // @Description: The rate at which Mavlink updates position and baro data
-    // @Units: hertz
+    // @Units: Hz
     // @Increment: 1
     // @Range: 1 10
     // @User: Standard