diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index ee655ba7d7..839cd9c919 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -594,7 +594,7 @@ end_struct
 	
 	idle_hardware_s idle;
 
-	float manIdlePosition;Value between 0 and 100 used in Manual mode;"%", 1, 0, 0, 100, 0
+	float manIdlePosition;Base idle valve position, 0 to 100%. This is typically set to provide an idle speed slightly above the target RPM when the engine is fully warmed up.;"%", 1, 0, 0, 100, 0
 
 uint8_t autoscale knockRetardAggression;Ignition timing to remove when a knock event occurs. Advice: 5% (mild), 10% (turbo/high comp.), 15% (high knock, e.g. GDI), 20% (spicy lump),;"%", 0.1, 0, 0, 20, 1
 uint8_t autoscale knockRetardReapplyRate;After a knock event, reapply timing at this rate.;"deg/s", 0.1, 0, 0, 10, 1