diff --git a/TODO.md b/TODO.md
index 70f75d7..b6a2cc2 100644
--- a/TODO.md
+++ b/TODO.md
@@ -42,3 +42,4 @@
 # Internal changes
 
 - use dynamic arrays for signals (and maybe components), but still keep the maximums to prevent memory hogging
+- setup an extensive testing system to find bugs easier