diff --git a/src/wp-content/themes/twentyfifteen/inc/template-tags.php b/src/wp-content/themes/twentyfifteen/inc/template-tags.php
index 57eaba62a1..1baca524ad 100644
--- a/src/wp-content/themes/twentyfifteen/inc/template-tags.php
+++ b/src/wp-content/themes/twentyfifteen/inc/template-tags.php
@@ -120,7 +120,7 @@ function twentyfifteen_entry_meta() {
 	if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
 		echo '<span class="comments-link">';
 		/* translators: %s: post title */
-		comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>' ), get_the_title() ) );
+		comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentyfifteen' ), get_the_title() ) );
 		echo '</span>';
 	}
 }