diff --git a/TODO.md b/TODO.md
index f9dd938..61b1291 100644
--- a/TODO.md
+++ b/TODO.md
@@ -17,3 +17,5 @@
 
 7. Make it work with older React versions
 8. Make it work with non React-DOM renderers
+
+9. Add test - traverseGenerator - siblings were traversed earlier, not now. Check input config.