diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php
index 265563e93d..96f923e4c8 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/ConfigDumpReferenceCommand.php
@@ -71,7 +71,7 @@ EOF
             $output->writeln('Available registered bundles with their extension alias if available:');
 
             $table = $this->getHelperSet()->get('table');
-            $table->setHeaders(array('Bundle name','Extension alias'));
+            $table->setHeaders(array('Bundle name', 'Extension alias'));
             foreach ($bundles as $bundle) {
                 $extension = $bundle->getContainerExtension();
                 $table->addRow(array($bundle->getName(), $extension ? $extension->getAlias() : ''));