     /**
      *  Converts a string to lowercase according to language conventions.
      *
-     *  Depending on the locale, the output strin length can differ from the
+     *  Depending on the locale, the output string length can differ from the
      *  input string length.
      *
      *  @param s <code>String</code> to convert to lowercase.

     *
     *  @see StringTools
     *
     *  @playerversion Flash 10.1
     *  @langversion 3.0
     *  @productversion Flex 4.5
     *  @productversion Flash CS5
     */
    public function toLowerCase(s:String):String
    {

     *
     *  @see StringTools
     *
     *  @langversion 3.0
     *  @playerversion Flash 10.1
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    public function toUpperCase(s:String):String
    {
