diff --git a/docs/params.md b/docs/params.md
index 9375d2e..642b3f6 100644
--- a/docs/params.md
+++ b/docs/params.md
@@ -23,6 +23,8 @@ example, `find()` methods expects `country` and `spedition` arguments, so create
 instance first using `create()` static method and set the params:
 
 ```php
+use OlzaLogistic\PpApi\Client\Params;
+
 $params = Params::create()
           ->withCountry($country)
           ->withSpedition($spedition);
diff --git a/docs/response.md b/docs/response.md
index da652ce..c7dc31b 100644
--- a/docs/response.md
+++ b/docs/response.md
@@ -79,8 +79,13 @@ all methods return the payload in the same manner via an instance of the `Data`
 the `Result` object:
 
 ```php
+use OlzaLogistic\PpApi\Client\Params;
+use OlzaLogistic\PpApi\Client\Model\Country;
+use OlzaLogistic\PpApi\Client\Model\Spedition;
+
+
 $params = Params::create()
-                  ->withCountry(Country::CZECH_REPUBLIC)
+                  ->withCountry(Country::CZECHIA)
                   ->withSpedition(Spedition::PACKETA_IPP);
 $result = $client->find($params);