Cant Change my footer.php

<?php
 /**
 * The template for displaying the footer.
 *
 *
 * @package Customizr
 * @since Customizr 3.0
 */
?>
		<?php tc__f('rec' , __FILE__ , __FUNCTION__ ); ?>

		<?php do_action( '__before_footer' ); ?>

			<!-- FOOTER -->
			<footer id="footer" class="<?php echo apply_filters('__footer_classes', '') ?>">
			 	<?php do_action( '__footer' ); // hook of footer widget and colophon?>
			</footer>

		<?php wp_footer(); //do not remove, used by the theme and many plugins?>

		<?php do_action( '__after_footer' ); ?>

	</body>

</html>

what changes should i make to my footer.php file to remove ” Designed By themescando.com” and add my own?