diff --git a/ArduPlane/Parameters.pde b/ArduPlane/Parameters.pde
index 374a0765a3..78f9c0710c 100644
--- a/ArduPlane/Parameters.pde
+++ b/ArduPlane/Parameters.pde
@@ -675,7 +675,7 @@ const AP_Param::Info var_info[] PROGMEM = {
 
     // @Param: ELEVON_MIXING
     // @DisplayName: Elevon mixing
-    // @Description: Enable elevon mixing  on both input and output. To enable just output mixing see the ELEVON_OUTPUT option.
+    // @Description: This enables an older form of elevon mixing which is now deprecated. Please see the ELEVON_OUTPUT option for setting up elevons. The ELEVON_MIXING option should be set to 0 for elevon planes except for backwards compatibilty with older setups.
     // @Values: 0:Disabled,1:Enabled
     // @User: User
     GSCALAR(mix_mode,               "ELEVON_MIXING",  ELEVON_MIXING),