diff --git a/README.md b/README.md
index 9f4d099..7a8b6a0 100644
--- a/README.md
+++ b/README.md
@@ -153,3 +153,4 @@ to see Haggis implemented in other languages.
 - [x] Add path to error message when passing between threads
 - [x] Add ability to write archives to stdout
 - [x] Add ability to read archives from stdin
+- [ ] Add option to display total size to archive listings