woocs_price_html_tail
Use this hook if you want to add any additional information text after a product price on the shop/category page.
Example:
add_filter('woocs_price_html_tail', function($price_html) { return $price_html . "<strong>Hello World!</strong>"; });
Combine it with CSS (in style.css) code if necessary:
.woocs_price_html_tail{ display: none; } body.single-product .woocs_price_html_tail{ display: block; } body.single-product .related .woocs_price_html_tail{ display: none; }