Just a few fixes

docs/user_guide/install_tripal/manual_install/install_tripal.rst

@@ -11,9 +11,9 @@ The easiest way to download Tripal is to use the Drush command-line interface fo
 - Chage directories to your Drupal installation
 - Execute the following drush command
 
-.. code-block:: bash
+  .. code-block:: bash
 
-  drush pm-download tripal
+    drush pm-download tripal
 
 Alternatively, you can download Tripal using the Drupal web interface as per the instructions provided on the `Installing modules <https://www.drupal.org/documentation/install/modules-themes/modules-7>`_ documentation at Drupal.org.  The Tripal project page at Drupal.org can be found here:  https://www.drupal.org/project/tripal.
 

docs/user_guide/install_tripal/upgrade_from_tripal2.rst

@@ -1,6 +1,10 @@
 Upgrade from Tripal v2 to v3
 ================================
 
+.. note::
+
+  If you are installing Tripal v3 for the first time you can ignore these upgrade instructions.
+
 Step 1: Upgrade Tripal
 ----------------------
 
@@ -96,6 +100,7 @@ Step 1: Upgrade Tripal
 
   .. image:: upgrade_from_tripal2.step1-10.png
 
+
   .. note::
 
     You may see the message "Please update the database using "drush updatedb" before continuing"  You can safely ignore this message and it should disappear after preparing Chado.