diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index f471e374b9..537a9e4001 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -159,7 +159,7 @@ function get_default_block_template_types() {
 		),
 		'tag'            => array(
 			'title'       => _x( 'Tag', 'Template name' ),
-			'description' => __( 'Displays latest posts with single post tag.' ),
+			'description' => __( 'Displays latest posts with a single post tag.' ),
 		),
 		'attachment'     => array(
 			'title'       => __( 'Media' ),