diff --git a/README.md b/README.md
index 1cd9b57..facd15f 100644
--- a/README.md
+++ b/README.md
@@ -30,21 +30,23 @@ php artisan airports:install
 ## Usage
 
 ```php
-$city = Country::where('name_en', 'Russia')->cities()->first();
+$country = Country::where('name_en', 'Russia')->first();
+
+$city = $country->cities()->first();
 $city->name_en;
 $city->name_ru;
 
-$country = City::where('name_en', 'Moscow')->country()->first();
+$country = $city->country()->first();
 $country->name_en;
 $country->name_ru;
 $country->iso_code;
 
-$airport = City::where('name_en', 'Magnitogorsk')->airports()->first();
+$airport = $city->airports()->first();
 $airport->gmt_offset;
 $airport->iata_code;
 $airport->icao_code;
 
-$city = City::where('iata_code', 'DME')->city()->first();
+$city = $airport->city()->first();
 ```
 
 ## License