diff --git a/src/Symfony/Component/Console/Helper/ProcessHelper.php b/src/Symfony/Component/Console/Helper/ProcessHelper.php
index d580357b93ffd..862d09f214522 100644
--- a/src/Symfony/Component/Console/Helper/ProcessHelper.php
+++ b/src/Symfony/Component/Console/Helper/ProcessHelper.php
@@ -95,10 +95,10 @@ public function run(OutputInterface $output, $cmd, $error = null, callable $call
      * This is identical to run() except that an exception is thrown if the process
      * exits with a non-zero exit code.
      *
-     * @param string|Process $cmd      An instance of Process or a command to run
-     * @param string|null    $error    An error message that must be displayed if something went wrong
-     * @param callable|null  $callback A PHP callback to run whenever there is some
-     *                                 output available on STDOUT or STDERR
+     * @param array|Process $cmd      An instance of Process or a command to run
+     * @param string|null   $error    An error message that must be displayed if something went wrong
+     * @param callable|null $callback A PHP callback to run whenever there is some
+     *                                output available on STDOUT or STDERR
      *
      * @return Process The process that ran
      *