Update README.md

README.md

@@ -58,7 +58,11 @@ java -jar target/whale-api.jar
 ```
 
 ## 📚 API Documentation
-The API documentation, automatically generated by Spring, will be available at:
+![image](https://github.com/ProjectBIGWHALE/bigwhale-api/assets/57486221/194576ad-d432-4c23-a9c6-b9ca5e29b71a)
+
+There are tools that easily allow you to build interaction interfaces with your API, in order to test functionalities quickly and without the need to create code. We then chose to use Swagger.
+
+After performing the steps in the Confgurations section, access our API's interactive documentation at:
 - [http://localhost:8080/swagger-ui.html](http://localhost:8080/swagger-ui.html).