diff --git a/docs/hero_mdbook_docker.md b/docs/hero_mdbook_docker.md
index 4824689..4593233 100644
--- a/docs/hero_mdbook_docker.md
+++ b/docs/hero_mdbook_docker.md
@@ -76,7 +76,7 @@ Note that you will need to adjust the local path of the git repo and the docker
   ```
 - You should be able to view the rendered book at
   ```
-  http://172.17.0.2:3000/
+  http://localhost:3005/
   ```
 - To stop the container, exit the Docker container with `exit` and run the following:
     ```