Description Heading Cant Be Remove

Hi, i have renamed the products tabs accordingly to below, but only successfully remove heading for reviews / what are other people saying, but not the description heading. Have pasted the below codes in functions file. Kindly advise how should i remove the description heading please?

u may refer image here > https://pasteboard.co/GIHvFoL.png

`}

add_filter( ‘woocommerce_reviews_heading’, ‘remove_reviews_heading’ );
function remove_reviews_heading() {
return ”;
}

add_filter( ‘woocommerce_description_heading’, ‘remove_description_heading’ );
function remove_description_heading() {
return ”;
}

add_filter( ‘woocommerce_product_tabs’, ‘woo_rename_tabs’, 98 );
function woo_rename_tabs( $tabs ) {

$tabs[‘reviews’][‘title’] = __( ‘What People Are Saying’ ); // Rename the reviews tab
$tabs[‘description’][‘title’] = __( ‘Details’ ); // Rename the description tab

return $tabs;

}