diff --git a/subjects/devops/json-researcher/README.md b/subjects/devops/json-researcher/README.md
index ce07e3702..56c1c0a03 100644
--- a/subjects/devops/json-researcher/README.md
+++ b/subjects/devops/json-researcher/README.md
@@ -22,7 +22,7 @@ $
 With `curl` you can get the content of the file from the url:
 
 ```console
-$curl https://adn-training.01-edu.org/assets/superhero/all.json
+$ curl https://((DOMAIN))/assets/superhero/all.json
 <...>
 $
 ```