diff --git a/README.md b/README.md
index ff9f715..2bb4c27 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ API calls.
--temp-files-dir
: where to store temporary files created when compressing (defaults to current working directory)
--write-version : Force write version file format (default 1)
--chunk-min-size : v1 file format minimum chunk size (default 4194304 or 4MiB)
- --pre-sort-files : pre-sorts files by size so that the first file is the largest
+ --no-pre-sort-files : do NOT pre-sort files by size (by default enabled so that the first file is the largest)
-- : specifies remaining arguments are files to archive/extract
If creating archive file, remaining args specify files to archive.
If extracting archive file, remaining args specify files to extract.