- * @type string $user_name The user username.
- * @type string $user_email The user email address.
- * @type string $blogname The blogname.
- * @type string $blog_title The title of the site.
- * @type array $errors An array of possible errors relevant to new site creation variables.
+ * @type string $user_name The user username.
+ * @type string $user_email The user email address.
+ * @type string $blogname The blogname.
+ * @type string $blog_title The title of the site.
+ * @type WP_Error $errors A WP_Error object with possible errors relevant to new site creation variables.