diff --git a/config/generic-mellow-fly-d5.cfg b/config/generic-mellow-fly-d5.cfg
index e9a9c3edd..49a3f7224 100644
--- a/config/generic-mellow-fly-d5.cfg
+++ b/config/generic-mellow-fly-d5.cfg
@@ -3,6 +3,7 @@
 #Pruduct page on https://mellow.klipper.cn/en/docs/category/fly-d5
 #STM32F072, 8KiB bootloader, 8 Mhz crystal, USB or USB to CAN adapter(depends on if you are using a canbus toolhead board)
 #See more about firmwares on https://mellow.klipper.cn/en/docs/ProductDoc/MainBoard/fly-d/fly-d5/flash/
+#This document is mainly used for pin references, change other parameters before actual use.
 [mcu]
 serial:/put/your/serial/here # See https://www.klipper3d.org/FAQ.html#wheres-my-serial-port for more
 
@@ -21,10 +22,19 @@ step_pin: PC5
 dir_pin: !PC4
 enable_pin: !PB0
 microsteps: 64
-rotation_distance: 23.310912 #Only for BMG gears, replace it with your own extruder parameters. See https://www.klipper3d.org/Rotation_Distance.html
-gear_ratio: 50:10 #Same as above
+nozzle_diameter: 0.4
+filament_diameter: 1.75
+rotation_distance: 23.310912
+gear_ratio: 50:10
 heater_pin: PC6
 sensor_pin: PC1
+sensor_type: Generic 3950
+control: pid
+pid_Kp: 10
+pid_Ki: 10
+pid_Kd: 10
+min_temp: 0
+max_temp: 300
 
 #[tmc2209 extruder] #Decomment this section if using a TMC2209 stepper driver, replace it with your TMC model. Applies to the other [tmc2209] section.
 #uart_pin: PA7
@@ -39,6 +49,8 @@ enable_pin: !PC2
 microsteps: 64
 rotation_distance: 40   #See https://www.klipper3d.org/Rotation_Distance.html
 endstop_pin:^PB4
+position_endstop: 0
+position_max: 200
 
 #[tmc2209 stepper_x]
 #uart_pin: PC13
@@ -53,6 +65,8 @@ enable_pin: !PA2
 microsteps: 64
 rotation_distance: 40 #Same as above
 endstop_pin: ^PB3
+position_endstop: 0
+position_max: 200
 
 #[tmc2209 stepper_y]
 #uart_pin: PC3
@@ -67,6 +81,8 @@ enable_pin: !PA6
 microsteps: 64
 rotation_distance: 8
 endstop_pin: ^PD2
+position_endstop: 0
+position_max: 200
 
 #[tmc2209 stepper_z]
 #uart_pin: PA3
@@ -74,12 +90,15 @@ endstop_pin: ^PD2
 #run_current: 0.8
 #stealthchop_threshold: 0
 
-#[stepper_z1] #Decomment this when using dual Z motors.
+#[stepper_z1] #Decomment this when using dual Z motors. Pins are the "E1" motor pins on the board.
 #step_pin: PB10
 #dir_pin:  PB2
 #enable_pin: !PB11
 #microsteps: 64
 #rotation_distance: 8
+#position_endstop: 0
+#position_max: 200
+
 #[tmc2209 stepper_z1]
 #uart_pin: PB1
 #interpolate: True
@@ -95,7 +114,7 @@ endstop_pin: ^PD2
 [fan]
 pin: PC8
 
-[heater_fan]
+[heater_fan Heatbreak_Fan]
 pin:PC9
 max_power:1
 shutdown_speed:0
@@ -103,3 +122,10 @@ shutdown_speed:0
 [heater_bed]
 heater_pin: PC7
 sensor_pin: PC0
+sensor_type: Generic 3950
+control: pid #Run "PID_CALIBRATE HEATER=heater_bed TARGET=270" to calibrate flowing pid control values before print! They are just placeholders!
+pid_Kp: 10
+pid_Ki: 10
+pid_Kd: 10
+min_temp: 0
+max_temp: 100