Fix escape function in comments template (#1587)

Author: Aljullu

comments.php

@@ -57,7 +57,7 @@
 		</ol><!-- .comment-list -->
 
 		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // Are there comments to navigate through. ?>
-		<nav id="comment-nav-below" class="comment-navigation" role="navigation" aria-label="<?php esc_html_e( 'Comment Navigation Below', 'storefront' ); ?>">
+		<nav id="comment-nav-below" class="comment-navigation" role="navigation" aria-label="<?php esc_attr_e( 'Comment Navigation Below', 'storefront' ); ?>">
 			<span class="screen-reader-text"><?php esc_html_e( 'Comment navigation', 'storefront' ); ?></span>
 			<div class="nav-previous"><?php previous_comments_link( __( '&larr; Older Comments', 'storefront' ) ); ?></div>
 			<div class="nav-next"><?php next_comments_link( __( 'Newer Comments &rarr;', 'storefront' ) ); ?></div>