docs: fix @param

Author: kenjis

system/CLI/CLI.php

@@ -179,7 +179,7 @@ public static function init()
      * Named options must be in the following formats:
      * php index.php user -v --v -name=John --name=John
      *
-     * @param string $prefix You may specify a string with which to prompt the user.
+     * @param string|null $prefix You may specify a string with which to prompt the user.
      */
     public static function input(?string $prefix = null): string
     {
@@ -210,9 +210,9 @@ public static function input(?string $prefix = null): string
      * // Do not provide options but requires a valid email
      * $email = CLI::prompt('What is your email?', null, 'required|valid_email');
      *
-     * @param string       $field      Output "field" question
-     * @param array|string $options    String to a default value, array to a list of options (the first option will be the default value)
-     * @param array|string $validation Validation rules
+     * @param string            $field      Output "field" question
+     * @param array|string      $options    String to a default value, array to a list of options (the first option will be the default value)
+     * @param array|string|null $validation Validation rules
      *
      * @return string The user input
      *
@@ -574,10 +574,10 @@ public static function clearScreen()
      * Returns the given text with the correct color codes for a foreground and
      * optionally a background color.
      *
-     * @param string $text       The text to color
-     * @param string $foreground The foreground color
-     * @param string $background The background color
-     * @param string $format     Other formatting to apply. Currently only 'underline' is understood
+     * @param string      $text       The text to color
+     * @param string      $foreground The foreground color
+     * @param string|null $background The background color
+     * @param string|null $format     Other formatting to apply. Currently only 'underline' is understood
      *
      * @return string The color coded string
      */