diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 25f359c13c..cb5ae06617 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -559,7 +559,7 @@
   //#define SLOW_PWM_HEATERS      // PWM with very low frequency (roughly 0.125Hz=8s) and minimum state time of approximately 1s useful for heaters driven by a relay
   #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
                                   // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
-#endif 
+#endif
 
 // @section extruder