diff --git a/docs/index.rst b/docs/index.rst
index 5676a358..966d530a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -20,15 +20,13 @@ The other pages in this documentation describe additional uses and features in d
 It then starts a container running a Jupyter Notebook server and exposes the server on host port 8888.
 The server logs appear in the terminal.
 Visiting ``http://<hostname>:8888/?token=<token>`` in a browser loads the Jupyter Notebook dashboard page, where ``hostname`` is the name of the computer running docker and ``token`` is the secret token printed in the console.
-The container remains intact for restart after the notebook server exits.:
+The container remains intact for restart after the notebook server exits.::
 
-.. code-block:: bash
     docker run -p 8888:8888 jupyter/scipy-notebook:33add21fab64
 
 **Example 2:** This command performs the same operations as **Example 1**, but it exposes the server on host port 10000 instead of port 8888.
-Visiting ``http://<hostname>:10000/?token=<token>`` in a browser loads Jupyter Notebook server, where ``hostname`` is the name of the computer running docker and ``token`` is the secret token printed in the console.:
+Visiting ``http://<hostname>:10000/?token=<token>`` in a browser loads Jupyter Notebook server, where ``hostname`` is the name of the computer running docker and ``token`` is the secret token printed in the console.::
 
-.. code-block:: bash
     docker run -p 10000:8888 jupyter/scipy-notebook:33add21fab64
 
 **Example 3:** This command pulls the ``jupyter/datascience-notebook`` image tagged ``33add21fab64`` from Docker Hub if it is not already present on the local host.
@@ -36,9 +34,8 @@ It then starts an *ephemeral* container running a Jupyter Notebook server and ex
 The command mounts the current working directory on the host as ``/home/jovyan/work`` in the container.
 The server logs appear in the terminal.
 Visiting ``http://<hostname>:10000/lab?token=<token>`` in a browser loads JupyterLab, where ``hostname`` is the name of the computer running docker and ``token`` is the secret token printed in the console.
-Docker destroys the container after notebook server exit, but any files written to ``~/work`` in the container remain intact on the host.:
+Docker destroys the container after notebook server exit, but any files written to ``~/work`` in the container remain intact on the host.::
 
-.. code-block:: bash
     docker run --rm -p 10000:8888 -e JUPYTER_ENABLE_LAB=yes -v "${PWD}":/home/jovyan/work jupyter/datascience-notebook:33add21fab64
 
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