diff --git a/TODO.txt b/TODO.txt
index 9aefe8b..6b9f573 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -7,3 +7,5 @@
 	4. Try making every aspect of the program configurable via args
 
 3. Add support for configuration files, which can be specified via a command-line arg
+
+4. Fix Makefile - Doesn't recompile if source files have changed, only if .o files have.