diff --git a/ArduPlane/Parameters.cpp b/ArduPlane/Parameters.cpp
index ce6671385d1..de02e3b23ce 100644
--- a/ArduPlane/Parameters.cpp
+++ b/ArduPlane/Parameters.cpp
@@ -636,7 +636,7 @@ const AP_Param::Info Plane::var_info[] = {
     // @DisplayName: speed used for speed scaling calculations
     // @Description: Airspeed in m/s to use when calculating surface speed scaling. Note that changing this value will affect all PID values
     // @Units: m/s
-    // @Range: 0 50
+    // @Range: 0.1 50
     // @Increment: 0.1
     // @User: Advanced
     GSCALAR(scaling_speed,        "SCALING_SPEED",    SCALING_SPEED),