diff --git a/src/cli/args.rs b/src/cli/args.rs
index 6f31969..d310864 100644
--- a/src/cli/args.rs
+++ b/src/cli/args.rs
@@ -5,7 +5,7 @@ use clap::{Parser, ValueHint};
 // Ouch command line options (docstrings below are part of --help)
 /// A command-line utility for easily compressing and decompressing files and directories.
 ///
-/// Supported formats: tar, zip, bz/bz2, gz, lz4, xz/lzma, zst.
+/// Supported formats: tar, zip, gz, xz/lzma, bz/bz2, lz4, sz, zst.
 ///
 /// Repository: https://github.com/ouch-org/ouch
 #[derive(Parser, Debug)]