diff --git a/README.md b/README.md
index d199ed1a54e6b3b6d52fe4af4e5373f3e25f139c..78be485a52e2ed8868d8fc4162d303ebc653e175 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,10 @@ Unit: [![coverage report](https://gitlab.com/wpdesk/wp-wpdesk-activation-reminde
 
 # wp-wpdesk-activation-reminder
 
+## Usage
+
+```bash
+composer require --dev wpdesk/wp-wpdesk-activation-reminder
+
+composer update
+```
\ No newline at end of file
diff --git a/src/ActivationReminder/Composer/PrepareActivationReminderCommand.php b/src/ActivationReminder/Composer/PrepareActivationReminderCommand.php
index 21c50f30d69e4cf8181380b0d7c97088b179ce83..3a4af8c4e9d251392fc9ce0eb0209983b8e4b4b9 100644
--- a/src/ActivationReminder/Composer/PrepareActivationReminderCommand.php
+++ b/src/ActivationReminder/Composer/PrepareActivationReminderCommand.php
@@ -3,7 +3,6 @@
 namespace WPDesk\ActivationReminder\Composer;
 
 use Composer\Command\BaseCommand;
-use ReminderNamespace\Reminder;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
@@ -131,11 +130,17 @@ class PrepareActivationReminderCommand extends BaseCommand
     	return $class_name;
     }
 
+	/**
+	 *
+	 */
     private function clear_vendor_prefixed() {
 	    $this->delete_all( 'vendor_prefixed' );
     }
 
-    private function delete_all( string $dir ) {
+	/**
+	 * @param string $dir
+	 */
+    private function delete_all( $dir ) {
 	    foreach ( glob( $dir . '/*' ) as $file ) {
 		    if ( is_dir( $file ) ) {
 			    $this->delete_all( $file );