Apply suggestions from code review

Co-authored-by: kenjis <[email protected]>

Author: rivalarya

system/CLI/CLI.php

@@ -293,7 +293,7 @@ public static function promptByKey($text, array $options, $validation = null): s
     }
 
     /**
-     * * This method is the same as promptByKey(), but this method supports multiple keys, separated by commas.
+     * This method is the same as promptByKey(), but this method supports multiple keys, separated by commas.
      *
      * @param string $text    Output "field" text or an one or two value array where the first value is the text before listing the options
      *                        and the second value the text before asking to select one option. Provide empty string to omit

user_guide_src/source/cli/cli_library/023.php

@@ -7,6 +7,7 @@
  *   [1]  Sleep
  *   [2]  Badminton
  *
+ * You can specify multiple values separated by commas.
  * [0, 1, 2]:
  *
  * if your answer is '0,2', the return is the key and the value of the options :