diff --git a/AUDIT.md b/AUDIT.md
index 6a7917e..e5c06d4 100644
--- a/AUDIT.md
+++ b/AUDIT.md
@@ -13,6 +13,7 @@ after each item.
 ## Progress
 
 - [x] `rendering/labels.ex`
+- [x] `rendering/liquid_parser.ex` (verified Liquex does not expose a built-in filter/operator subset validator; keeping current implementation)
 
 ---