diff --git a/lib/public/route/iroute.php b/lib/public/route/iroute.php
index 66fdb84182..d5610e762a 100644
--- a/lib/public/route/iroute.php
+++ b/lib/public/route/iroute.php
@@ -10,6 +10,7 @@ namespace OCP\Route;
 interface IRoute {
 	/**
 	 * Specify PATCH as the method to use with this route
+	 * @return \OCP\Route\IRoute
 	 */
 	public function patch();
 
@@ -26,21 +27,25 @@ interface IRoute {
 	 * it is called directly
 	 *
 	 * @param $file
+	 * @return void
 	 */
 	public function actionInclude($file);
 
 	/**
 	 * Specify GET as the method to use with this route
+	 * @return \OCP\Route\IRoute
 	 */
 	public function get();
 
 	/**
 	 * Specify POST as the method to use with this route
+	 * @return \OCP\Route\IRoute
 	 */
 	public function post();
 
 	/**
 	 * Specify DELETE as the method to use with this route
+	 * @return \OCP\Route\IRoute
 	 */
 	public function delete();
 
@@ -74,6 +79,7 @@ interface IRoute {
 
 	/**
 	 * Specify PUT as the method to use with this route
+	 * @return \OCP\Route\IRoute
 	 */
 	public function put();
 }
diff --git a/lib/public/route/irouter.php b/lib/public/route/irouter.php
index 125cd29e81..1c003c7b4b 100644
--- a/lib/public/route/irouter.php
+++ b/lib/public/route/irouter.php
@@ -17,10 +17,14 @@ interface IRouter {
 	 */
 	public function getRoutingFiles();
 
+	/**
+	 * @return string
+	 */
 	public function getCacheKey();
 
 	/**
 	 * loads the api routes
+	 * @return void
 	 */
 	public function loadRoutes($app = null);
 
@@ -28,6 +32,7 @@ interface IRouter {
 	 * Sets the collection to use for adding routes
 	 *
 	 * @param string $name Name of the collection to use.
+	 * @return void
 	 */
 	public function useCollection($name);
 
@@ -47,6 +52,7 @@ interface IRouter {
 	 *
 	 * @param string $url The url to find
 	 * @throws \Exception
+	 * @return void
 	 */
 	public function match($url);
 
diff --git a/lib/public/template.php b/lib/public/template.php
index 9a994c1bea..6cc984b12d 100644
--- a/lib/public/template.php
+++ b/lib/public/template.php
@@ -67,7 +67,7 @@ function preview_icon( $path ) {
  * Returns the path to the preview of the image.
  * @param string $path of file
  * @param string $token
- * @return link to the preview
+ * @return string link to the preview
  */
 function publicPreview_icon ( $path, $token ) {
 	return(\publicPreview_icon( $path, $token ));