- $link = "<a class='comment-reply-link' href='" . esc_url( add_query_arg( 'replytocom', $comment->comment_ID ) ) . "#" . $respond_id . "' onclick='return addComment.moveForm(\"$add_below-$comment->comment_ID\", \"$comment->comment_ID\", \"$respond_id\", \"$post->ID\")'>$reply_text</a>";
+ $onclick = sprintf( 'return addComment.moveForm( "%1$s-%2$s", "%2$s", "%3$s", "%4$s" )',
+ $args['add_below'], $comment->comment_ID, $args['respond_id'], $post->ID
+ );
+
+ $link = sprintf( "<a class='comment-reply-link' href='%s' onclick='%s' aria-label='%s'>%s</a>",
+ esc_url( add_query_arg( 'replytocom', $comment->comment_ID ) ) . "#" . $args['respond_id'],
+ $onclick,
+ esc_attr( sprintf( $args['reply_to_text'], $comment->comment_author ) ),
+ $args['reply_text']
+ );