Update example, fix #15

mnapoli · Nov 20, 2015 · 2d74813 · 2d74813
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commit 2d74813
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diff --git a/README.md b/README.md
@@ -18,6 +18,8 @@ $ composer require mnapoli/silly
 Example of a Silly application:
 
 ```php
+use use Symfony\Component\Console\Output\OutputInterface;
+
 $app = new Silly\Application();
 
 $app->command('greet [name] [--yell]', function ($name, $yell, OutputInterface $output) {