diff --git a/README.md b/README.md
index 38777dc..3d12287 100644
--- a/README.md
+++ b/README.md
@@ -39,3 +39,4 @@ to see Haggis implemented in other languages.
 - [x] Override user/group when creating archives
 - [x] Override user/group when extracting archives
 - [x] Automatically detect zstd compressed archives
+- [ ] Add path to error message when passing between threads