diff --git a/app/addons/data_feeds/func.php b/app/addons/data_feeds/func.php
index 26f1607..53611ff 100644
--- a/app/addons/data_feeds/func.php
+++ b/app/addons/data_feeds/func.php
@@ -577,7 +577,14 @@ function fn_data_feeds_get_product_categories($product_id, $category_delimiter,

     return $category;
 }
-
+/**
+ * Check is shared product with result cached in runtime.
+ *
+ * @param int $product_id Product identifier.
+ * @param int $company_id Company indentifier.
+ *
+ * @return bool
+ */
 function fn_data_feeds_is_shared_product($product_id, $company_id)
 {
     static $product_is_shared = array();
@@ -585,6 +592,5 @@ function fn_data_feeds_is_shared_product($product_id, $company_id)
     if (!isset($product_is_shared[$product_id])) {
         $product_is_shared[$product_id] = fn_ult_is_shared_product($product_id, $company_id) == 'Y';
     }
-
     return $product_is_shared[$product_id];
 }