diff --git a/src/Symfony/Component/Console/Output/OutputInterface.php b/src/Symfony/Component/Console/Output/OutputInterface.php
index fb1557720f34a..19a8179011fee 100644
--- a/src/Symfony/Component/Console/Output/OutputInterface.php
+++ b/src/Symfony/Component/Console/Output/OutputInterface.php
@@ -54,12 +54,16 @@ public function writeln(string|iterable $messages, int $options = 0);
     /**
      * Sets the verbosity of the output.
      *
+     * @param self::VERBOSITY_* $level
+     *
      * @return void
      */
     public function setVerbosity(int $level);
 
     /**
      * Gets the current verbosity of the output.
+     *
+     * @return self::VERBOSITY_*
      */
     public function getVerbosity(): int;