diff --git a/config/generic-mellow-fly-d5.cfg b/config/generic-mellow-fly-d5.cfg
index 8f6adfcfd..63dff4a1c 100644
--- a/config/generic-mellow-fly-d5.cfg
+++ b/config/generic-mellow-fly-d5.cfg
@@ -7,11 +7,13 @@
 # micro-controller, select a "8KiB bootloader", and select a "8Mhz
 # crystal", "USB (On PA11/PA12)"
 
-# To use this board in CAN bus mode(maybe along with a CAN bus toolhead
+# To use this board in CAN bus bridge mode(along with a CAN bus toolhead
 # board), during "make menuconfig", select "Enable low-level
 # configuration options", select the STM32F072 micro-controller,
 # select a "8KiB bootloader", and select a "8Mhz crystal",
-# "USB to CAN bus bridge (USB on PA11/PA12)"
+# "USB to CAN bus bridge (USB on PA11/PA12)". In this mode, the mainboard
+# it self will also work in CAN bus mode, so you will need a canbus_uuid 
+# instead of serial.
 
 # See docs/Config_Reference.md for a description of parameters.
 
@@ -41,7 +43,7 @@ gear_ratio: 50:10
 heater_pin: PC6
 sensor_pin: PC1
 sensor_type: Generic 3950
-control: pid
+control: pid # Run "PID_CALIBRATE HEATER=extruder TARGET=250" to calibrate flowing pid control values before print! They are just placeholders!
 pid_Kp: 10
 pid_Ki: 10
 pid_Kd: 10
@@ -66,6 +68,8 @@ position_max: 200
 
 #[tmc2209 stepper_x]
 #uart_pin: PC13
+#cs_pin: PC13 # References for SPI TMC drivers(tmc5160, tmc2240, etc.)
+#spi_bus: spi2
 #interpolate: True
 #run_current: 1.2
 #stealthchop_threshold: 0
@@ -82,6 +86,8 @@ position_max: 200
 
 #[tmc2209 stepper_y]
 #uart_pin: PC3
+#cs_pin: PC3
+#spi_bud: spi2
 #interpolate: True
 #run_current: 1.2
 #stealthchop_threshold: 0
@@ -119,7 +125,7 @@ position_max: 200
 
 #[bltouch]
 #sensor_pin: ^PB5
-#control_pin:PA8
+#control_pin: PA8
 
 #[safe_z_home] #When using a probe for Z-endstop, it is recommended to use [safe_z_home] section to home the Z axis at the centre of your print bed.
 
@@ -127,17 +133,26 @@ position_max: 200
 pin: PC8
 
 [heater_fan Heatbreak_Fan]
-pin:PC9
-max_power:1
-shutdown_speed:0
+pin: PC9
+max_power: 1
+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!
+control: pid #Run "PID_CALIBRATE HEATER=heater_bed TARGET=70" 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
+
+[board_pins]
+aliases:
+# EXP1 header
+EXP1_1=NC,   EXP1_3=PC11,  EXP1_5=PC10, EXP1_7=NC, EXP1_9=<GND>,
+EXP1_2=PA15, EXP1_4=PA14,  EXP1_6=PA13, EXP1_8=NC, EXP1_10=<5V>,
+# EXP2 header
+EXP2_1=PB14, EXP2_3=PC12, EXP2_5=PB6,   EXP2_7=NC,    EXP2_9=<GND>,
+EXP2_2=PB13, EXP2_4=PB12, EXP2_6=PB15,  EXP2_8=<RST>, EXP2_10=<NC>