diff --git a/docs/ai-consumers/sdk-tutorial.md b/docs/ai-consumers/sdk-tutorial.md
index d7eab01..44977e7 100644
--- a/docs/ai-consumers/sdk-tutorial.md
+++ b/docs/ai-consumers/sdk-tutorial.md
@@ -114,7 +114,8 @@ service invoked successfully
 npm install
 ```
 
-Then update .env with your keys
+Then update .env with your keys.
+You can get the free call token from the [service](https://beta.singularitynet.io/) integration setup from install and run tab.
 
 Update aiService.js with the following points: