diff --git a/module00/ex00/Makefile b/module00/ex00/Makefile
index d394f38..36889ed 100644
--- a/module00/ex00/Makefile
+++ b/module00/ex00/Makefile
@@ -10,30 +10,30 @@ all: hex flash
 hex: $(TARGET).hex
 
 # avr-gcc : compiler for AVR microcontrollers, https://gcc.gnu.org/wiki/avr-gcc#Using_avr-gcc, https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html
-#   -mmcu : the target microcontrolle (ATmega328P)
-#   -D : defines a preprocessor macro (#define F_CPU <value>)
-#   -o : output filename
+#	-mmcu : the target microcontrolle (ATmega328P)
+#	-D : defines a preprocessor macro (#define F_CPU <value>)
+#	-o : output filename
 $(TARGET).bin: $(TARGET).c
 	$(CC) -mmcu=atmega328p -D F_CPU=$(F_CPU) $(TARGET).c -o $(TARGET).bin
 
 
 # avr-objcopy : man avr-jobcopy, https://linux.die.net/man/1/avr-objcopy
-#   -O : specifies output format, Intel HEX
-#        some formats (list not found in any doc) :
-#        -O ihex : Used for flashing AVR chips
-#        -O binary : Raw binary file
-#        -O elf32-avr : Used for debugging
+#	-O : specifies output format, Intel HEX
+#		some formats (list not found in any doc) :
+#		-O ihex : Used for flashing AVR chips
+#		-O binary : Raw binary file
+#		-O elf32-avr : Used for debugging
 $(TARGET).hex: $(TARGET).bin
 	avr-objcopy -O ihex $(TARGET).bin $(TARGET).hex
 
 
 # avr-dude : AVR Downloader/UploaDEr, upload firmware, https://avrdudes.github.io/avrdude, v6.3 https://download-mirror.savannah.gnu.org/releases/avrdude/avrdude-doc-6.3.pdf
-#   -p : specifies the microcontroller -> m328p
-#   -c : programmer-id
-#   -b : baud rate for serial communication
-#   -P : the serial port, found with `ls /dev/tty*` -> /dev/ttyUSB0
-#   -U : Uploads (w = write) the HEX firmware file to the flash memory
-#   (-v : verbose info dump)
+#	-p : specifies the microcontroller -> m328p
+#	-c : programmer-id
+#	-b : baud rate for serial communication
+#	-P : the serial port, found with `ls /dev/tty*` -> /dev/ttyUSB0
+#	-U : Uploads (w = write) the HEX firmware file to the flash memory
+#	(-v : verbose info dump)
 flash:
 	avrdude -p m328p -c arduino -b 115200 -P /dev/ttyUSB0 -U flash:w:$(TARGET).hex
 #	avrdude -p m328p -c arduino -b 115200 -P /dev/ttyUSB0 -v