diff --git a/README.md b/README.md
index 7f952aa..b106c47 100755
--- a/README.md
+++ b/README.md
@@ -2,18 +2,18 @@
 
 ## Supported commands
 
-* `wp swim to-www` -- Rende un sito accessibile tramite www.
+* `wp swim to-www` -- Make the website accessible via www.
+* `wp swim to-https` -- Make the website accessible via https.
 
 ## Work in progress commands
 
-* `wp swim to-https` -- Rende un sito accessibile tramite https.
 * `wp swim autoperm` -- ...
 * `wp swim update-all` -- ...
 * `wp swim cache-clean` -- ...
 
 ## Installing
 
-`wp package install git@github.com:sedwebagency/swim-wp-cli.git`
+`wp package install https://github.com/sedwebagency/swim-wp-cli/releases/latest/download/swim-wp-cli.zip`
 
 ## Thanks to
 
diff --git a/command.php b/command.php
index c7673fa..b28bcce 100644
--- a/command.php
+++ b/command.php
@@ -3,6 +3,24 @@
 use function WP_CLI\Utils\make_progress_bar;
 
 class Swim_WP_CLI extends WP_CLI_Command {
+	// todo move the version to the "package meta" docblock
+	const VERSION = '1.0.1';
+
+	/**
+	 * A test which always gives success and the current version.
+	 *
+	 * ## EXAMPLES
+	 *
+	 *     wp swim test
+	 *
+	 * @subcommand test
+	 */
+	public function test( array $args = [], array $assoc_args = [] ) {
+		$current_version = self::VERSION;
+
+		WP_CLI::success( "Success. Installed version $current_version." );
+	}
+
 	/**
 	 * Make the website accessible via www.
 	 *