diff --git a/src/RouterInterface.php b/src/RouterInterface.php
index 97e966f..d640d2c 100644
--- a/src/RouterInterface.php
+++ b/src/RouterInterface.php
@@ -5,9 +5,32 @@ namespace Rmphp\Foundation;
 use Psr\Http\Message\RequestInterface;
 
 interface RouterInterface {
+
+	/**
+	 * @param string $mountPoint
+	 */
 	public function setStartPoint(string $mountPoint): void;
+
+	/**
+	 * @param array $rules
+	 */
 	public function withRules(array $rules) : void;
+
+	/**
+	 * @param array $rules
+	 * @return void
+	 */
 	public function withSet(array $rules): void;
+
+	/**
+	 * @param RequestInterface $request
+	 * @return array|null
+	 */
 	public function match(RequestInterface $request) : ?array;
+
+	/**
+	 * @param RequestInterface $request
+	 * @return array|null
+	 */
 	public function matchByArgv(RequestInterface $request) : ?array;
 }