diff --git a/TODO b/TODO
index 3a693bc..435b562 100644
--- a/TODO
+++ b/TODO
@@ -2,4 +2,6 @@ TODO list for typehinting branch.
 Below list contains things that should be changed/fixed/implemented.
 
 
-1. The debug_backtrace() does not show information about arrays type.
\ No newline at end of file
+1. The debug_backtrace() does not show information about arrays type.
+
+2. PH7_OP_LOAD_IDX needs some more tweaks.