Edit File: embed-404.php
<?php /** * Contains the post embed content template part * * When a post is embedded in an iframe, this file is used to create the content template part * output if the active theme does not include an embed-404.php template. * * @package WordPress * @subpackage Theme_Compat * @since 4.5.0 */ ?> <div class="wp-embed"> <p class="wp-embed-heading"><?php _e( 'Oops! That embed cannot be found.' ); ?></p> <div class="wp-embed-excerpt"> <p> <?php printf( /* translators: %s: A link to the embedded site. */ __( 'It looks like nothing was found at this location. Maybe try visiting %s directly?' ), '<strong><a href="' . esc_url( home_url() ) . '">' . esc_html( get_bloginfo( 'name' ) ) . '</a></strong>' ); ?> </p> </div> <?php /** This filter is documented in wp-includes/theme-compat/embed-content.php */ do_action( 'embed_content' ); ?> <div class="wp-embed-footer"> <?php the_embed_site_title(); ?> </div> </div>