Update dsvm-ubuntu-intro.md

Updated about JupyterLab's url.

Author: dzeyelid

articles/machine-learning/data-science-virtual-machine/dsvm-ubuntu-intro.md

@@ -147,7 +147,7 @@ After you sign in to the VM by using either the SSH client or XFCE graphical des
 
 The Ubuntu DSVM runs [JupyterHub](https://github.com/jupyterhub/jupyterhub), a multi-user Jupyter server. To connect, browse to https://your-vm-ip:8000 on your laptop or desktop, enter the username and password that you used to create the VM, and log in. Many sample notebooks are available for you to browse and try out.
 
-JupyterLab, the next generation of Jupyter notebooks and JupyterHub, is also available. To access it, log in to JupyterHub, then browse to the URL https://your-vm-ip:8000/lab. You can set JupyterLab as the default notebook server by adding this line to /etc/jupyterhub/jupyterhub_config.py:
+JupyterLab, the next generation of Jupyter notebooks and JupyterHub, is also available. To access it, log in to JupyterHub, then browse to the URL https://your-vm-ip:8000/user/your-username/lab. You can set JupyterLab as the default notebook server by adding this line to /etc/jupyterhub/jupyterhub_config.py:
 
     c.Spawner.default_url = '/lab'