diff --git a/src/Symfony/Component/Console/Helper/TableSeparator.php b/src/Symfony/Component/Console/Helper/TableSeparator.php
index 8cbbc6613b..8cc73e69a2 100644
--- a/src/Symfony/Component/Console/Helper/TableSeparator.php
+++ b/src/Symfony/Component/Console/Helper/TableSeparator.php
@@ -19,8 +19,7 @@ namespace Symfony\Component\Console\Helper;
 class TableSeparator extends TableCell
 {
     /**
-     * @param string $value
-     * @param array  $options
+     * @param array $options
      */
     public function __construct(array $options = array())
     {
diff --git a/src/Symfony/Component/Console/Output/NullOutput.php b/src/Symfony/Component/Console/Output/NullOutput.php
index a14ae74d00..bd3b7e6fbf 100644
--- a/src/Symfony/Component/Console/Output/NullOutput.php
+++ b/src/Symfony/Component/Console/Output/NullOutput.php
@@ -73,21 +73,33 @@ class NullOutput implements OutputInterface
         return self::VERBOSITY_QUIET;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isQuiet()
     {
         return true;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isVerbose()
     {
         return false;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isVeryVerbose()
     {
         return false;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isDebug()
     {
         return false;
diff --git a/src/Symfony/Component/Console/Output/Output.php b/src/Symfony/Component/Console/Output/Output.php
index 306dccf24d..32bfc8cc3b 100644
--- a/src/Symfony/Component/Console/Output/Output.php
+++ b/src/Symfony/Component/Console/Output/Output.php
@@ -94,21 +94,33 @@ abstract class Output implements OutputInterface
         return $this->verbosity;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isQuiet()
     {
         return self::VERBOSITY_QUIET === $this->verbosity;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isVerbose()
     {
         return self::VERBOSITY_VERBOSE <= $this->verbosity;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isVeryVerbose()
     {
         return self::VERBOSITY_VERY_VERBOSE <= $this->verbosity;
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function isDebug()
     {
         return self::VERBOSITY_DEBUG <= $this->verbosity;