diff --git a/src/main.c b/src/main.c
index 75d06c8..db11fcd 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,6 +2,8 @@
 	Wordle game implementation in the C programming language
 */
 
+// TODO: implement light mode
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>