docs: update PHPDocs

Author: kenjis

system/Common.php

@@ -863,7 +863,7 @@ function old(string $key, $default = null, $escape = 'html')
      *
      * If more control is needed, you must use $response->redirect explicitly.
      *
-     * @param string $route
+     * @param string|null $route Route name or Controller::method
      */
     function redirect(?string $route = null): RedirectResponse
     {

system/HTTP/RedirectResponse.php

@@ -24,7 +24,7 @@ class RedirectResponse extends Response
      * Sets the URI to redirect to and, optionally, the HTTP status code to use.
      * If no code is provided it will be automatically determined.
      *
-     * @param string   $uri  The URI to redirect to
+     * @param string   $uri  The URI path (relative to baseURL) to redirect to
      * @param int|null $code HTTP status code
      *
      * @return $this
@@ -44,7 +44,7 @@ public function to(string $uri, ?int $code = null, string $method = 'auto')
      * Sets the URI to redirect to but as a reverse-routed or named route
      * instead of a raw URI.
      *
-     * @param string $route Named route or Controller::method
+     * @param string $route Route name or Controller::method
      *
      * @return $this
      *

system/Router/RouteCollection.php

@@ -1043,7 +1043,7 @@ public function environment(string $env, Closure $callback): RouteCollectionInte
      *      // Equals 'path/$param1/$param2'
      *      reverseRoute('Controller::method', $param1, $param2);
      *
-     * @param string     $search    Named route or Controller::method
+     * @param string     $search    Route name or Controller::method
      * @param int|string ...$params One or more parameters to be passed to the route.
      *                              The last parameter allows you to set the locale.
      *