diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 5cf2249918..61527bfc82 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -641,7 +641,7 @@ if ( 'upgrade-core' == $action ) {
 	}
 
 	echo '<p>';
-	/* translators: %1 date, %2 time. */
+	/* translators: 1: date, 2: time */
 	printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a' ), $last_update_check ) );
 	echo ' &nbsp; <a class="button" href="' . esc_url( self_admin_url( 'update-core.php?force-check=1' ) ) . '">' . __( 'Check Again' ) . '</a>';
 	echo '</p>';