diff --git a/lib/private/image.php b/lib/private/image.php
index 7761a3c7737..a6a2413f59f 100644
--- a/lib/private/image.php
+++ b/lib/private/image.php
@@ -230,7 +230,7 @@ class OC_Image {
 	}
 
 	/**
-	* @returns Returns the image resource in any.
+	* @returns resource Returns the image resource in any.
 	*/
 	public function resource() {
 		return $this->resource;