diff --git a/src/main.c b/src/main.c
index 69fcb9f..38d8409 100644
--- a/src/main.c
+++ b/src/main.c
@@ -6,6 +6,7 @@
 
 #include <avr/interrupt.h>
 
+// TODO: Facilitate software updates over serial port.
 // TODO: Check parser and circular buffer for edge cases.
 // TODO: Implement command parser timeout for large input.
 // TODO: Config header for chip specifics like EEPROM size.