docs: fix @param types

Author: kenjis

system/Email/Email.php

@@ -392,7 +392,7 @@ class Email
     protected static $func_overload;
 
     /**
-     * @param array|null $config
+     * @param array|\Config\Email|null $config
      */
     public function __construct($config = null)
     {
@@ -405,7 +405,7 @@ public function __construct($config = null)
     /**
      * Initialize preferences
      *
-     * @param array|\Config\Email $config
+     * @param array|\Config\Email|null $config
      *
      * @return Email
      */

system/HTTP/URI.php

@@ -138,11 +138,11 @@ class URI
     /**
      * Builds a representation of the string from the component parts.
      *
-     * @param string $scheme
-     * @param string $authority
-     * @param string $path
-     * @param string $query
-     * @param string $fragment
+     * @param string|null $scheme    URI scheme. E.g., http, ftp
+     * @param string      $authority
+     * @param string      $path
+     * @param string      $query
+     * @param string      $fragment
      */
     public static function createURIString(?string $scheme = null, ?string $authority = null, ?string $path = null, ?string $query = null, ?string $fragment = null): string
     {

system/Helpers/url_helper.php

@@ -75,6 +75,7 @@ function _get_uri(string $relativePath = '', ?App $config = null): URI
      * Returns a site URL as defined by the App config.
      *
      * @param array|string $relativePath URI string or array of URI segments
+     * @param string|null  $scheme       URI scheme. E.g., http, ftp
      * @param App|null     $config       Alternate configuration to use
      */
     function site_url($relativePath = '', ?string $scheme = null, ?App $config = null): string
@@ -96,6 +97,7 @@ function site_url($relativePath = '', ?string $scheme = null, ?App $config = nul
      * Base URLs are trimmed site URLs without the index page.
      *
      * @param array|string $relativePath URI string or array of URI segments
+     * @param string|null  $scheme       URI scheme. E.g., http, ftp
      */
     function base_url($relativePath = '', ?string $scheme = null): string
     {