diff --git a/inc/extras.php b/inc/extras.php
index d17e171..163b0c3 100644
--- a/inc/extras.php
+++ b/inc/extras.php
@@ -95,7 +95,7 @@ if ( ! function_exists ( 'understrap_post_nav' ) ) {
 		}
 		?>
 		<nav class="container navigation post-navigation">
-			<h2 class="sr-only"><?php _e( 'Post navigation', 'understrap' ); ?></h2>
+			<h2 class="sr-only"><?php esc_html_e( 'Post navigation', 'understrap' ); ?></h2>
 			<div class="row nav-links justify-content-between">
 				<?php
 				if ( get_previous_post_link() ) {