diff --git a/lib/SimpleSAML/Command/RouterDebugCommand.php b/lib/SimpleSAML/Command/RouterDebugCommand.php
index 05edf2fe6553363a5ad686ce68d81a79c5d71043..d253853741a4a4dbde08f9e0701c9de637a2c990 100644
--- a/lib/SimpleSAML/Command/RouterDebugCommand.php
+++ b/lib/SimpleSAML/Command/RouterDebugCommand.php
@@ -26,7 +26,7 @@ class RouterDebugCommand extends Command
 
 
     /**
-     * @param \Symfony\Component\Routing\RouterInterface
+     * @param \Symfony\Component\Routing\RouterInterface $router
      *
      * @throws \Symfony\Component\Console\Exception\LogicException When the command name is empty
      */