Merge pull request #184 from choldgraf/typo

small typo in docs

docs/howto/auth/dummy.rst

@@ -16,7 +16,7 @@ Enabling the authenticator
    a whiteboard). Once you have selected a password, configure TLJH to use
    the password by executing the following from an admin console.
 
-.. code-block:: bash
+   .. code-block:: bash
 
       sudo tljh-config set auth.DummyAuthenticator.password <password>
 
@@ -24,7 +24,12 @@ Enabling the authenticator
 
 2. Enable the authenticator and reload config to apply configuration:
 
+   .. code-block:: bash
+
       sudo tljh-config set auth.type dummyauthenticator.DummyAuthenticator
+
+   .. code-block:: bash
+
       sudo tljh-config reload
 
 Users who are currently logged in will continue to be logged in. When they
@@ -40,4 +45,7 @@ commands:
 .. code-block:: bash
 
    tljh-config set auth.DummyAuthenticator.password <new-password>
+
+.. code-block:: bash
+
    tljh-config reload