diff --git a/system/Helpers/html_helper.php b/system/Helpers/html_helper.php
index 11491f76910d..6c04a86a56b6 100755
--- a/system/Helpers/html_helper.php
+++ b/system/Helpers/html_helper.php
@@ -22,7 +22,7 @@
      * Generates an HTML unordered list from an single or
      * multi-dimensional array.
      *
-     * @param mixed $attributes HTML attributes string, array, object
+     * @param array|object|string $attributes HTML attributes string, array, object
      */
     function ul(array $list, $attributes = ''): string
     {
@@ -36,7 +36,7 @@ function ul(array $list, $attributes = ''): string
      *
      * Generates an HTML ordered list from an single or multi-dimensional array.
      *
-     * @param mixed $attributes HTML attributes string, array, object
+     * @param array|object|string $attributes HTML attributes string, array, object
      */
     function ol(array $list, $attributes = ''): string
     {
@@ -50,8 +50,8 @@ function ol(array $list, $attributes = ''): string
      *
      * Generates an HTML ordered list from an single or multi-dimensional array.
      *
-     * @param mixed $list
-     * @param mixed $attributes string, array, object
+     * @param array               $list
+     * @param array|object|string $attributes string, array, object
      */
     function _list(string $type = 'ul', $list = [], $attributes = '', int $depth = 0): string
     {
@@ -224,8 +224,8 @@ function script_tag($src = '', bool $indexPage = false): string
      *
      * Generates link to a CSS file
      *
-     * @param mixed $href      Stylesheet href or an array
-     * @param bool  $indexPage should indexPage be added to the CSS path.
+     * @param array|string $href      Stylesheet href or an array
+     * @param bool         $indexPage should indexPage be added to the CSS path.
      */
     function link_tag($href = '', string $rel = 'stylesheet', string $type = 'text/css', string $title = '', string $media = '', bool $indexPage = false, string $hreflang = ''): string
     {
@@ -281,9 +281,9 @@ function link_tag($href = '', string $rel = 'stylesheet', string $type = 'text/c
      * Generates a video element to embed videos. The video element can
      * contain one or more video sources
      *
-     * @param mixed  $src                Either a source string or an array of sources
-     * @param string $unsupportedMessage The message to display if the media tag is not supported by the browser
-     * @param string $attributes         HTML attributes
+     * @param array|string $src                Either a source string or an array of sources
+     * @param string       $unsupportedMessage The message to display if the media tag is not supported by the browser
+     * @param string       $attributes         HTML attributes
      */
     function video($src, string $unsupportedMessage = '', string $attributes = '', array $tracks = [], bool $indexPage = false): string
     {
@@ -327,9 +327,9 @@ function video($src, string $unsupportedMessage = '', string $attributes = '', a
      *
      * Generates an audio element to embed sounds
      *
-     * @param mixed  $src                Either a source string or an array of sources
-     * @param string $unsupportedMessage The message to display if the media tag is not supported by the browser.
-     * @param string $attributes         HTML attributes
+     * @param array|string $src                Either a source string or an array of sources
+     * @param string       $unsupportedMessage The message to display if the media tag is not supported by the browser.
+     * @param string       $attributes         HTML attributes
      */
     function audio($src, string $unsupportedMessage = '', string $attributes = '', array $tracks = [], bool $indexPage = false): string
     {
diff --git a/system/Helpers/url_helper.php b/system/Helpers/url_helper.php
index 94f430a44b67..f0dcc9d786c8 100644
--- a/system/Helpers/url_helper.php
+++ b/system/Helpers/url_helper.php
@@ -95,8 +95,7 @@ function site_url($relativePath = '', ?string $scheme = null, ?App $config = nul
      * Returns the base URL as defined by the App config.
      * Base URLs are trimmed site URLs without the index page.
      *
-     * @param mixed  $relativePath URI string or array of URI segments
-     * @param string $scheme
+     * @param array|string $relativePath URI string or array of URI segments
      */
     function base_url($relativePath = '', ?string $scheme = null): string
     {
@@ -143,7 +142,7 @@ function current_url(bool $returnObject = false, ?IncomingRequest $request = nul
      * If that's not available, however, we'll use a sanitized url from $_SERVER['HTTP_REFERER']
      * which can be set by the user so is untrusted and not set by certain browsers/servers.
      *
-     * @return mixed|string|URI
+     * @return string|URI
      */
     function previous_url(bool $returnObject = false)
     {
@@ -197,10 +196,10 @@ function index_page(?App $altConfig = null): string
      *
      * Creates an anchor based on the local URL.
      *
-     * @param mixed    $uri        URI string or array of URI segments
-     * @param string   $title      The link title
-     * @param mixed    $attributes Any attributes
-     * @param App|null $altConfig  Alternate configuration to use
+     * @param array|string        $uri        URI string or array of URI segments
+     * @param string              $title      The link title
+     * @param array|object|string $attributes Any attributes
+     * @param App|null            $altConfig  Alternate configuration to use
      */
     function anchor($uri = '', string $title = '', $attributes = '', ?App $altConfig = null): string
     {
@@ -230,10 +229,10 @@ function anchor($uri = '', string $title = '', $attributes = '', ?App $altConfig
      * Creates an anchor based on the local URL. The link
      * opens a new window based on the attributes specified.
      *
-     * @param string   $uri        the URL
-     * @param string   $title      the link title
-     * @param mixed    $attributes any attributes
-     * @param App|null $altConfig  Alternate configuration to use
+     * @param string                    $uri        the URL
+     * @param string                    $title      the link title
+     * @param array|false|object|string $attributes any attributes
+     * @param App|null                  $altConfig  Alternate configuration to use
      */
     function anchor_popup($uri = '', string $title = '', $attributes = false, ?App $altConfig = null): string
     {
@@ -280,9 +279,9 @@ function anchor_popup($uri = '', string $title = '', $attributes = false, ?App $
     /**
      * Mailto Link
      *
-     * @param string $email      the email address
-     * @param string $title      the link title
-     * @param mixed  $attributes any attributes
+     * @param string              $email      the email address
+     * @param string              $title      the link title
+     * @param array|object|string $attributes any attributes
      */
     function mailto(string $email, string $title = '', $attributes = ''): string
     {
@@ -300,9 +299,9 @@ function mailto(string $email, string $title = '', $attributes = ''): string
      *
      * Create a spam-protected mailto link written in Javascript
      *
-     * @param string $email      the email address
-     * @param string $title      the link title
-     * @param mixed  $attributes any attributes
+     * @param string              $email      the email address
+     * @param string              $title      the link title
+     * @param array|object|string $attributes any attributes
      */
     function safe_mailto(string $email, string $title = '', $attributes = ''): string
     {