diff --git a/readme.md b/readme.md
index 3b38538..3541946 100644
--- a/readme.md
+++ b/readme.md
@@ -18,5 +18,12 @@ ARGUMENTS:
 OPTIONS:
   -r, --root-directory <root-directory>
                           Root directory of swift files (default: .)
+  --version               Show the version.
   -h, --help              Show help information.
 ```
+
+## Release
+
+```sh
+VERSION=<version> make release
+```