diff --git a/src/Application.php b/src/Application.php
index e4ec81d..56f30df 100644
--- a/src/Application.php
+++ b/src/Application.php
@@ -159,6 +159,7 @@ public function add(Command $command, string $alias = '', bool $default = false)
         }
 
         if ($alias) {
+            $command->alias($alias);
             $this->aliases[$alias] = $name;
         }
 
diff --git a/src/Helper/OutputHelper.php b/src/Helper/OutputHelper.php
index 2d65b9a..2a6bfe4 100644
--- a/src/Helper/OutputHelper.php
+++ b/src/Helper/OutputHelper.php
@@ -35,7 +35,7 @@ public function __construct(Writer $writer = null)
      */
     public function showArgumentsHelp(array $arguments, string $header = '', string $footer = ''): self
     {
-        $this->showHelp('Arguments', $arguments, 6, $header, $footer);
+        $this->showHelp('Arguments', $arguments, $header, $footer);
 
         return $this;
     }
@@ -49,7 +49,7 @@ public function showArgumentsHelp(array $arguments, string $header = '', string
      */
     public function showOptionsHelp(array $options, string $header = '', string $footer = ''): self
     {
-        $this->showHelp('Options', $options, 13, $header, $footer);
+        $this->showHelp('Options', $options, $header, $footer);
 
         return $this;
     }
@@ -63,7 +63,7 @@ public function showOptionsHelp(array $options, string $header = '', string $foo
      */
     public function showCommandsHelp(array $commands, string $header = '', string $footer = ''): self
     {
-        $this->showHelp('Commands', $commands, 4, $header, $footer);
+        $this->showHelp('Commands', $commands, $header, $footer);
 
         return $this;
     }
@@ -73,13 +73,12 @@ public function showCommandsHelp(array $commands, string $header = '', string $f
      *
      * @param string $for
      * @param array  $items
-     * @param int    $space
      * @param string $header
      * @param string $footer
      *
      * @return void
      */
-    protected function showHelp(string $for, array $items, int $space, string $header = '', string $footer = '')
+    protected function showHelp(string $for, array $items, string $header = '', string $footer = '')
     {
         if ($header) {
             $this->writer->bold($header, true);
@@ -93,6 +92,7 @@ protected function showHelp(string $for, array $items, int $space, string $heade
             return;
         }
 
+        $space = 4;
         foreach ($this->sortItems($items, $padLen) as $item) {
             $name = $this->getName($item);
             $this->writer->bold('  ' . \str_pad($name, $padLen + $space));
@@ -120,7 +120,7 @@ protected function sortItems(array $items, &$max = 0): array
         \uasort($items, function ($a, $b) use (&$max) {
             /** @var Parameter $b */
             /** @var Parameter $a */
-            $max = \max(\strlen($a->name()), \strlen($b->name()), $max);
+            $max = \max(\strlen($this->getName($a)), \strlen($this->getName($b)), $max);
 
             return $a->name() <=> $b->name();
         });
@@ -140,17 +140,33 @@ protected function getName($item): string
         $name = $item->name();
 
         if ($item instanceof Command) {
-            return $name;
+            return \trim($item->alias() . '|' . $name, '|');
         }
 
+        return $this->label($item);
+    }
+
+    /**
+     * Get parameter label for humans.
+     *
+     * @param Parameter $item
+     *
+     * @return string
+     */
+    protected function label(Parameter $item)
+    {
+        $name = $item->name();
+
         if ($item instanceof Option) {
             $name = $item->short() . '|' . $item->long();
         }
 
+        $variad = $item->variadic() ? '...' : '';
+
         if ($item->required()) {
-            return "<$name>";
+            return "<$name$variad>";
         }
 
-        return "[$name]";
+        return "[$name$variad]";
     }
 }
diff --git a/src/Input/Command.php b/src/Input/Command.php
index cb1f533..4efc5e4 100644
--- a/src/Input/Command.php
+++ b/src/Input/Command.php
@@ -34,9 +34,12 @@ class Command extends Parser
     /** @var string */
     protected $_desc;
 
-    /** @var string */
+    /** @var string Usage examples */
     protected $_usage;
 
+    /** @var string Command alias */
+    protected $_alias;
+
     /** @var App The cli app this command is bound to */
     protected $_app;
 
@@ -244,6 +247,24 @@ public function usage(string $usage = null)
         return $this;
     }
 
+    /**
+     * Gets or sets alias.
+     *
+     * @param string|null $alias
+     *
+     * @return string|self
+     */
+    public function alias(string $alias = null)
+    {
+        if (\func_num_args() === 0) {
+            return $this->_alias;
+        }
+
+        $this->_alias = $alias;
+
+        return $this;
+    }
+
     /**
      * Sets event handler for last (or given) option.
      *
@@ -313,7 +334,7 @@ public function showHelp()
 
         $helper
             ->showArgumentsHelp($this->allArguments())
-            ->showOptionsHelp($this->allOptions(), '', 'Legend: <required> [optional]');
+            ->showOptionsHelp($this->allOptions(), '', 'Legend: <required> [optional] variadic...');
 
         if ($this->_usage) {
             $io->eol();
diff --git a/tests/Helper/OutputHelperTest.php b/tests/Helper/OutputHelperTest.php
index bc03642..eb53f74 100644
--- a/tests/Helper/OutputHelperTest.php
+++ b/tests/Helper/OutputHelperTest.php
@@ -27,7 +27,7 @@ public static function tearDownAfterClass()
     public function test_show_arguments()
     {
         $this->newHelper()->showArgumentsHelp([
-            new Argument('<path>'),
+            new Argument('<path>', 'The path'),
             new Argument('[config:defaultConfig]'),
         ], 'Arg Header', 'Arg Footer');
 
@@ -36,7 +36,7 @@ public function test_show_arguments()
             '',
             'Arguments:',
             '  [config]    ',
-            '  <path>      ',
+            '  <path>      The path',
             '',
             'Arg Footer',
         ], $this->output());
@@ -53,8 +53,8 @@ public function test_show_options()
             'Opt Header',
             '',
             'Options:',
-            '  <-n|--full-name>      Full name',
-            '  [-h|--help]           Show help',
+            '  <-n|--full-name>    Full name',
+            '  [-h|--help]         Show help',
             '',
             'Opt Footer',
         ], $this->output());