diff --git a/apps/bounce1/Makefile b/apps/bounce1/Makefile
index d5fa79b..daf1fb4 100644
--- a/apps/bounce1/Makefile
+++ b/apps/bounce1/Makefile
@@ -33,7 +33,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 bounce1.out: bounce1.o pio.o system.o timer.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/bounce2/Makefile b/apps/bounce2/Makefile
index 1148b46..d318c32 100644
--- a/apps/bounce2/Makefile
+++ b/apps/bounce2/Makefile
@@ -39,7 +39,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 bounce2.out: bounce2.o pio.o system.o timer.o display.o ledmat.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/bounce3/Makefile b/apps/bounce3/Makefile
index 3f041c9..808b208 100644
--- a/apps/bounce3/Makefile
+++ b/apps/bounce3/Makefile
@@ -45,7 +45,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 bounce3.out: bounce3.o pio.o system.o timer.o display.o ledmat.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/bounce4/Makefile b/apps/bounce4/Makefile
index f668325..92c8fd0 100644
--- a/apps/bounce4/Makefile
+++ b/apps/bounce4/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 bounce4.out: bounce4.o pio.o system.o timer.o display.o ledmat.o boing.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/bounce5/Makefile b/apps/bounce5/Makefile
index 18ec097..811f3d0 100644
--- a/apps/bounce5/Makefile
+++ b/apps/bounce5/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 bounce5.out: bounce5.o pio.o system.o timer.o display.o ledmat.o boing.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/chooser/Makefile b/apps/chooser/Makefile
index 9e441ca..c572d67 100644
--- a/apps/chooser/Makefile
+++ b/apps/chooser/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 chooser.out: chooser.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/demo1/Makefile b/apps/demo1/Makefile
index 1962f35..43686e6 100644
--- a/apps/demo1/Makefile
+++ b/apps/demo1/Makefile
@@ -27,7 +27,8 @@ system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 demo1.out: demo1.o pio.o system.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/demo2/Makefile b/apps/demo2/Makefile
index 9d67c9b..02ac251 100644
--- a/apps/demo2/Makefile
+++ b/apps/demo2/Makefile
@@ -30,7 +30,8 @@ led.o: ../../drivers/led.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ..
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 demo2.out: demo2.o pio.o system.o led.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/fonttest1/Makefile b/apps/fonttest1/Makefile
index eba1f4a..6bc4d82 100644
--- a/apps/fonttest1/Makefile
+++ b/apps/fonttest1/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 fonttest1.out: fonttest1.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/hello1/Makefile b/apps/hello1/Makefile
index 942ef33..f223e66 100644
--- a/apps/hello1/Makefile
+++ b/apps/hello1/Makefile
@@ -36,7 +36,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 hello1.out: hello1.o pio.o system.o timer.o ledmat.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/hello2/Makefile b/apps/hello2/Makefile
index 8eb2100..46805e2 100644
--- a/apps/hello2/Makefile
+++ b/apps/hello2/Makefile
@@ -45,7 +45,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 hello2.out: hello2.o pio.o system.o timer.o display.o ledmat.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/hello3/Makefile b/apps/hello3/Makefile
index 9bbaed6..6de138d 100644
--- a/apps/hello3/Makefile
+++ b/apps/hello3/Makefile
@@ -45,7 +45,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 hello3.out: hello3.o pio.o system.o timer.o display.o ledmat.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/hello4/Makefile b/apps/hello4/Makefile
index f398b15..317afc3 100644
--- a/apps/hello4/Makefile
+++ b/apps/hello4/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 hello4.out: hello4.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/hello5/Makefile b/apps/hello5/Makefile
index f9b1c0c..e086066 100644
--- a/apps/hello5/Makefile
+++ b/apps/hello5/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 hello5.out: hello5.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_grab1/Makefile b/apps/ir_grab1/Makefile
index 263ed87..ee2ad69 100644
--- a/apps/ir_grab1/Makefile
+++ b/apps/ir_grab1/Makefile
@@ -51,7 +51,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_grab1.out: ir_grab1.o pio.o system.o timer.o display.o ir.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_grab2/Makefile b/apps/ir_grab2/Makefile
index 281896f..a306d61 100644
--- a/apps/ir_grab2/Makefile
+++ b/apps/ir_grab2/Makefile
@@ -54,7 +54,8 @@ uint8toa.o: ../../utils/uint8toa.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_grab2.out: ir_grab2.o pio.o system.o timer.o display.o ir.o ledmat.o navswitch.o font.o pacer.o tinygl.o uint8toa.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_grab3/Makefile b/apps/ir_grab3/Makefile
index 8bfd01f..00e1447 100644
--- a/apps/ir_grab3/Makefile
+++ b/apps/ir_grab3/Makefile
@@ -60,7 +60,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_grab3.out: ir_grab3.o eeprom.o pio.o system.o timer.o button.o display.o ir.o led.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_serial_test1/Makefile b/apps/ir_serial_test1/Makefile
index 70e15ac..d325233 100644
--- a/apps/ir_serial_test1/Makefile
+++ b/apps/ir_serial_test1/Makefile
@@ -54,7 +54,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_serial_test1.out: ir_serial_test1.o pio.o system.o timer.o display.o ir.o ir_serial.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_serial_test2/Makefile b/apps/ir_serial_test2/Makefile
index df01858..19ccd4b 100644
--- a/apps/ir_serial_test2/Makefile
+++ b/apps/ir_serial_test2/Makefile
@@ -54,7 +54,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_serial_test2.out: ir_serial_test2.o pio.o system.o timer.o display.o ir.o ir_serial.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_serial_test3/Makefile b/apps/ir_serial_test3/Makefile
index 5b68f9e..8e33871 100644
--- a/apps/ir_serial_test3/Makefile
+++ b/apps/ir_serial_test3/Makefile
@@ -54,7 +54,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_serial_test3.out: ir_serial_test3.o pio.o system.o timer.o display.o ir.o ir_serial.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_uart_test1/Makefile b/apps/ir_uart_test1/Makefile
index 214ad38..63a8029 100644
--- a/apps/ir_uart_test1/Makefile
+++ b/apps/ir_uart_test1/Makefile
@@ -60,7 +60,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_uart_test1.out: ir_uart_test1.o ir_uart.o pio.o prescale.o system.o timer.o timer0.o usart1.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/ir_uart_test2/Makefile b/apps/ir_uart_test2/Makefile
index c4c4a17..9d7e64f 100644
--- a/apps/ir_uart_test2/Makefile
+++ b/apps/ir_uart_test2/Makefile
@@ -60,7 +60,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 ir_uart_test2.out: ir_uart_test2.o ir_uart.o pio.o prescale.o system.o timer.o timer0.o usart1.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led0/Makefile b/apps/led0/Makefile
index 0741044..7f4e37d 100644
--- a/apps/led0/Makefile
+++ b/apps/led0/Makefile
@@ -36,7 +36,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led0.out: led0.o pio.o system.o timer.o led.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led1/Makefile b/apps/led1/Makefile
index 56d6db5..235e912 100644
--- a/apps/led1/Makefile
+++ b/apps/led1/Makefile
@@ -36,7 +36,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led1.out: led1.o pio.o system.o timer.o led.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led2/Makefile b/apps/led2/Makefile
index 8e46c81..67f5d15 100644
--- a/apps/led2/Makefile
+++ b/apps/led2/Makefile
@@ -39,7 +39,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led2.out: led2.o pio.o system.o timer.o led.o navswitch.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led3/Makefile b/apps/led3/Makefile
index 4e8676c..24f51b2 100644
--- a/apps/led3/Makefile
+++ b/apps/led3/Makefile
@@ -39,7 +39,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led3.out: led3.o pio.o system.o timer.o led.o navswitch.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led4/Makefile b/apps/led4/Makefile
index e49ab9a..eec7d44 100644
--- a/apps/led4/Makefile
+++ b/apps/led4/Makefile
@@ -39,7 +39,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led4.out: led4.o pio.o system.o timer.o led.o navswitch.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/led5/Makefile b/apps/led5/Makefile
index e01cc19..cf3e8e3 100644
--- a/apps/led5/Makefile
+++ b/apps/led5/Makefile
@@ -33,7 +33,8 @@ led.o: ../../drivers/led.c ../../drivers/avr/pio.h ../../drivers/avr/system.h ..
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 led5.out: led5.o pio.o system.o timer.o led.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/pio1/Makefile b/apps/pio1/Makefile
index dad6058..28dda14 100644
--- a/apps/pio1/Makefile
+++ b/apps/pio1/Makefile
@@ -27,7 +27,8 @@ system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 pio1.out: pio1.o pio.o system.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/pio2/Makefile b/apps/pio2/Makefile
index 0f5de6c..dc174b1 100644
--- a/apps/pio2/Makefile
+++ b/apps/pio2/Makefile
@@ -27,7 +27,8 @@ system.o: ../../drivers/avr/system.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 pio2.out: pio2.o pio.o system.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/pio3/Makefile b/apps/pio3/Makefile
index 03fa516..453ef98 100644
--- a/apps/pio3/Makefile
+++ b/apps/pio3/Makefile
@@ -30,7 +30,8 @@ timer.o: ../../drivers/avr/timer.c ../../drivers/avr/system.h ../../drivers/avr/
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 pio3.out: pio3.o pio.o system.o timer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/scribble1/Makefile b/apps/scribble1/Makefile
index 81f8d7d..8840733 100644
--- a/apps/scribble1/Makefile
+++ b/apps/scribble1/Makefile
@@ -5,7 +5,7 @@
 
 # Definitions.
 CC = avr-gcc
-CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers -I../../fonts -I../../drivers/avr -I../../utils
+CFLAGS = -mmcu=atmega32u2 -Os -Wall -Wstrict-prototypes -Wextra -g -I../../drivers -I../../drivers/avr -I../../utils
 OBJCOPY = avr-objcopy
 SIZE = avr-size
 DEL = rm
@@ -16,7 +16,7 @@ all: scribble1.out
 
 
 # Compile: create object files from C source files.
-scribble1.o: scribble1.c ../../drivers/avr/system.h ../../drivers/button.h ../../drivers/display.h ../../drivers/led.h ../../drivers/navswitch.h ../../fonts/font5x7_1.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.h
+scribble1.o: scribble1.c ../../drivers/avr/system.h ../../drivers/button.h ../../drivers/display.h ../../drivers/led.h ../../drivers/navswitch.h ../../utils/font.h ../../utils/pacer.h ../../utils/tinygl.h
 	$(CC) -c $(CFLAGS) $< -o $@
 
 pio.o: ../../drivers/avr/pio.c ../../drivers/avr/pio.h ../../drivers/avr/system.h
@@ -54,7 +54,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 scribble1.out: scribble1.o pio.o system.o timer.o button.o display.o led.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/snake1/Makefile b/apps/snake1/Makefile
index 0264b4c..c74c363 100644
--- a/apps/snake1/Makefile
+++ b/apps/snake1/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 snake1.out: snake1.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/space10/Makefile b/apps/space10/Makefile
index 9dd2345..fa863ae 100644
--- a/apps/space10/Makefile
+++ b/apps/space10/Makefile
@@ -63,7 +63,8 @@ uint8toa.o: ../../utils/uint8toa.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 space10.out: space10.o flasher.o spacey.o eeprom.o pio.o system.o timer.o display.o ir.o ir_serial.o ledmat.o font.o pacer.o tinygl.o uint8toa.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/space11/Makefile b/apps/space11/Makefile
index 4e06062..456b630 100644
--- a/apps/space11/Makefile
+++ b/apps/space11/Makefile
@@ -63,7 +63,8 @@ uint8toa.o: ../../utils/uint8toa.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 space11.out: space11.o flasher.o spacey.o eeprom.o pio.o system.o timer.o display.o led.o ledmat.o navswitch.o font.o task.o tinygl.o uint8toa.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/space12/Makefile b/apps/space12/Makefile
index f79eaf7..f197dc6 100644
--- a/apps/space12/Makefile
+++ b/apps/space12/Makefile
@@ -72,7 +72,8 @@ uint8toa.o: ../../utils/uint8toa.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 space12.out: space12.o flasher.o spacey.o eeprom.o pio.o system.o timer.o display.o led.o ledmat.o navswitch.o mmelody.o ticker.o tweeter.o font.o task.o tinygl.o uint8toa.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/space9/Makefile b/apps/space9/Makefile
index ec6cd7b..52222e9 100644
--- a/apps/space9/Makefile
+++ b/apps/space9/Makefile
@@ -63,7 +63,8 @@ uint8toa.o: ../../utils/uint8toa.c ../../drivers/avr/system.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 space9.out: space9.o flasher.o spacey.o eeprom.o pio.o system.o timer.o display.o led.o ledmat.o navswitch.o font.o pacer.o tinygl.o uint8toa.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/spacey_remote1/Makefile b/apps/spacey_remote1/Makefile
index 43172f4..0a21cde 100644
--- a/apps/spacey_remote1/Makefile
+++ b/apps/spacey_remote1/Makefile
@@ -54,7 +54,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 spacey_remote1.out: spacey_remote1.o pio.o system.o timer.o display.o ir.o ir_serial.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/squeak0/Makefile b/apps/squeak0/Makefile
index f29828b..0a9d5eb 100644
--- a/apps/squeak0/Makefile
+++ b/apps/squeak0/Makefile
@@ -42,7 +42,8 @@ task.o: ../../utils/task.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 squeak0.out: squeak0.o pio.o system.o timer.o mmelody.o ticker.o tweeter.o task.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/squeak1/Makefile b/apps/squeak1/Makefile
index 6b73258..ece37a6 100644
--- a/apps/squeak1/Makefile
+++ b/apps/squeak1/Makefile
@@ -45,7 +45,8 @@ task.o: ../../utils/task.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 squeak1.out: squeak1.o pio.o system.o timer.o led.o mmelody.o ticker.o tweeter.o task.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/squeak2/Makefile b/apps/squeak2/Makefile
index cd5ffd8..916835b 100644
--- a/apps/squeak2/Makefile
+++ b/apps/squeak2/Makefile
@@ -48,7 +48,8 @@ task.o: ../../utils/task.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 squeak2.out: squeak2.o pio.o system.o timer.o button.o led.o mmelody.o ticker.o tweeter.o task.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/squeak3/Makefile b/apps/squeak3/Makefile
index 14fff47..fbbaf01 100644
--- a/apps/squeak3/Makefile
+++ b/apps/squeak3/Makefile
@@ -60,7 +60,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 squeak3.out: squeak3.o pio.o system.o timer.o button.o display.o led.o ledmat.o navswitch.o ticker.o tweeter.o font.o task.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/squeak4/Makefile b/apps/squeak4/Makefile
index bdcc217..957c8cf 100644
--- a/apps/squeak4/Makefile
+++ b/apps/squeak4/Makefile
@@ -60,7 +60,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 squeak4.out: squeak4.o pio.o system.o timer.o button.o display.o led.o ledmat.o mmelody.o ticker.o tweeter.o font.o task.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/steer1/Makefile b/apps/steer1/Makefile
index 3b2ebe7..75600e0 100644
--- a/apps/steer1/Makefile
+++ b/apps/steer1/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 steer1.out: steer1.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/stopwatch1/Makefile b/apps/stopwatch1/Makefile
index 8a2977b..44155bc 100644
--- a/apps/stopwatch1/Makefile
+++ b/apps/stopwatch1/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 stopwatch1.out: stopwatch1.o pio.o system.o timer.o button.o display.o ledmat.o font.o task.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/task1/Makefile b/apps/task1/Makefile
index b3dcd58..582c5c0 100644
--- a/apps/task1/Makefile
+++ b/apps/task1/Makefile
@@ -36,7 +36,8 @@ task.o: ../../utils/task.c ../../drivers/avr/system.h ../../drivers/avr/timer.h
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 task1.out: task1.o pio.o system.o timer.o led.o task.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/task2/Makefile b/apps/task2/Makefile
index f6b9aca..572a004 100644
--- a/apps/task2/Makefile
+++ b/apps/task2/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 task2.out: task2.o pio.o system.o timer.o display.o led.o ledmat.o font.o task.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/tdmdemo1/Makefile b/apps/tdmdemo1/Makefile
index 11da38e..c2f4200 100644
--- a/apps/tdmdemo1/Makefile
+++ b/apps/tdmdemo1/Makefile
@@ -36,7 +36,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 tdmdemo1.out: tdmdemo1.o pio.o system.o timer.o ledmat.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/tdmdemo2/Makefile b/apps/tdmdemo2/Makefile
index 8a528f6..75e7be9 100644
--- a/apps/tdmdemo2/Makefile
+++ b/apps/tdmdemo2/Makefile
@@ -39,7 +39,8 @@ pacer.o: ../../utils/pacer.c ../../drivers/avr/system.h ../../drivers/avr/timer.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 tdmdemo2.out: tdmdemo2.o pio.o system.o timer.o ledmat.o navswitch.o pacer.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/updown1/Makefile b/apps/updown1/Makefile
index 7dfe61a..c6d67e3 100644
--- a/apps/updown1/Makefile
+++ b/apps/updown1/Makefile
@@ -45,7 +45,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 updown1.out: updown1.o pio.o system.o timer.o display.o ledmat.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@
diff --git a/apps/updown2/Makefile b/apps/updown2/Makefile
index c8ee338..15a9297 100644
--- a/apps/updown2/Makefile
+++ b/apps/updown2/Makefile
@@ -48,7 +48,8 @@ tinygl.o: ../../utils/tinygl.c ../../drivers/avr/system.h ../../drivers/display.
 
 
 
-# Link: create ELF output file from object files.
+
+# Link: create output file (executable) from object files.
 updown2.out: updown2.o pio.o system.o timer.o display.o ledmat.o navswitch.o font.o pacer.o tinygl.o
 	$(CC) $(CFLAGS) $^ -o $@ -lm
 	$(SIZE) $@