Index: wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
===================================================================
--- wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php	(revision 39258)
+++ wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php	(working copy)
@@ -546,7 +546,7 @@
 		}
 
 		if ( ! current_user_can( 'delete_term', $term->term_id ) ) {
-			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete resource.' ), array( 'status' => rest_authorization_required_code() ) );
+			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this resource.' ), array( 'status' => rest_authorization_required_code() ) );
 		}
 
 		return true;