diff --git a/includes/class-wc-data-store.php b/includes/class-wc-data-store.php
index 983c12fd682..c7e03d12486 100644
--- a/includes/class-wc-data-store.php
+++ b/includes/class-wc-data-store.php
@@ -119,6 +119,8 @@ class WC_Data_Store {
 
 	/**
 	 * Re-run the constructor with the object type.
+	 *
+	 * @throws Exception When validation fails.
 	 */
 	public function __wakeup() {
 		$this->__construct( $this->object_type );
@@ -130,6 +132,7 @@ class WC_Data_Store {
 	 * @param string $object_type Name of object.
 	 *
 	 * @since 3.0.0
+	 * @throws Exception When validation fails.
 	 * @return WC_Data_Store
 	 */
 	public static function load( $object_type ) {