Merge pull request #125021 from azarboon/patch-116732

Update backends.md

Author: ttorble

articles/api-management/backends.md

@@ -52,6 +52,8 @@ After creating a backend, you can reference the backend in your APIs. Use th
     [...]
 <policies/>
 ```
+> [!NOTE]
+> Alternatively, you can use `base-url`. Usually, the format is `https://backend.com/api`. Avoid adding a slash at the end to prevent misconfigurations. Typically, the `base-url` and HTTP(S) endpoint value in the backend should match to enable seamless integration between frontend and backend. Note that API Management instances append the backend service name to the `base-url`.
 
 You can use conditional logic with the `set-backend-service` policy to change the effective backend based on location, gateway that was called, or other expressions.