diff --git a/src/Symfony/Component/Security/Guard/PasswordAuthenticatedInterface.php b/src/Symfony/Component/Security/Guard/PasswordAuthenticatedInterface.php
index 4dd7a7b446..dd2eeba33d 100644
--- a/src/Symfony/Component/Security/Guard/PasswordAuthenticatedInterface.php
+++ b/src/Symfony/Component/Security/Guard/PasswordAuthenticatedInterface.php
@@ -19,7 +19,7 @@ interface PasswordAuthenticatedInterface
     /**
      * Returns the clear-text password contained in credentials if any.
      *
-     * @param mixed The user credentials
+     * @param mixed $credentials The user credentials
      */
     public function getPassword($credentials): ?string;
 }