Allow related title changes

This modification enables the change of the related products title via a filter

templates/single-product/related.php

@@ -22,9 +22,12 @@ if ( ! defined( 'ABSPATH' ) ) {
 if ( $related_products ) : ?>
 
 	<section class="related products">
-
-		<h2><?php esc_html_e( 'Related products', 'woocommerce' ); ?></h2>
-
+        <?php
+        $heading = apply_filters( 'woocommerce_product_related_heading', __( 'Related products', 'woocommerce' ) );
+        if ( $heading ) : ?>
+            <h2><?php echo esc_html( $heading ); ?></h2>
+        <?php endif; ?>
+		
 		<?php woocommerce_product_loop_start(); ?>
 
 			<?php foreach ( $related_products as $related_product ) : ?>