diff --git a/Classes/Fluid/ViewHelper/ComponentRenderer.php b/Classes/Fluid/ViewHelper/ComponentRenderer.php
index cec7023..e5f8a61 100644
--- a/Classes/Fluid/ViewHelper/ComponentRenderer.php
+++ b/Classes/Fluid/ViewHelper/ComponentRenderer.php
@@ -332,7 +332,7 @@ public function compile(
      * @param \Closure $renderChildrenClosure
      * @param RenderingContextInterface $renderingContext
      * @param string $componentNamespace
-     * @return mixed
+     * @return string
      */
     public static function renderComponent(
         array $arguments,