diff --git a/comments.php b/comments.php
index 1f3d809..0ba40a7 100644
--- a/comments.php
+++ b/comments.php
@@ -25,14 +25,17 @@ if ( post_password_required() ) {
 	<?php if ( have_comments() ) : ?>
 		<h2 class="comments-title">
 			<?php
-				printf( _nx( 'One thought on &ldquo;%2$s&rdquo;', '%1$s thoughts on &ldquo;%2$s&rdquo;', get_comments_number(), 'comments title', '_s' ),
-					number_format_i18n( get_comments_number() ), '<span>' . get_the_title() . '</span>' );
+				printf(
+					_nx( 'One thought on &ldquo;%2$s&rdquo;', '%1$s thoughts on &ldquo;%2$s&rdquo;', get_comments_number(), 'comments title', '_s' ),
+					number_format_i18n( get_comments_number() ),
+					'<span>' . get_the_title() . '</span>'
+				);
 			?>
 		</h2>
 
 		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
 		<nav id="comment-nav-above" class="navigation comment-navigation" role="navigation">
-			<h2 class="screen-reader-text"><?php _e( 'Comment navigation', '_s' ); ?></h2>
+			<h2 class="screen-reader-text"><?php esc_html_e( 'Comment navigation', '_s' ); ?></h2>
 			<div class="nav-links">
 
 				<div class="nav-previous"><?php previous_comments_link( __( 'Older Comments', '_s' ) ); ?></div>
@@ -53,7 +56,7 @@ if ( post_password_required() ) {
 
 		<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // are there comments to navigate through ?>
 		<nav id="comment-nav-below" class="navigation comment-navigation" role="navigation">
-			<h2 class="screen-reader-text"><?php _e( 'Comment navigation', '_s' ); ?></h2>
+			<h2 class="screen-reader-text"><?php esc_html_e( 'Comment navigation', '_s' ); ?></h2>
 			<div class="nav-links">
 
 				<div class="nav-previous"><?php previous_comments_link( __( 'Older Comments', '_s' ) ); ?></div>
@@ -69,7 +72,7 @@ if ( post_password_required() ) {
 		// If comments are closed and there are comments, let's leave a little note, shall we?
 		if ( ! comments_open() && '0' != get_comments_number() && post_type_supports( get_post_type(), 'comments' ) ) :
 	?>
-		<p class="no-comments"><?php _e( 'Comments are closed.', '_s' ); ?></p>
+		<p class="no-comments"><?php esc_html_e( 'Comments are closed.', '_s' ); ?></p>
 	<?php endif; ?>
 
 	<?php comment_form(); ?>