[FrameworkBundle] Fix a typo

Author: jakzal

Command/TranslationUpdateCommand.php

@@ -44,7 +44,7 @@ protected function configure()
             ))
             ->setDescription('Updates the translation file')
             ->setHelp(<<<'EOF'
-The <info>%command.name%</info> command extract translation strings from templates
+The <info>%command.name%</info> command extracts translation strings from templates
 of a given bundle. It can display them or merge the new ones into the translation files.
 When new translation strings are found it can automatically add a prefix to the translation
 message.