Fix block quotes for sections

Author: alecbcs

index.rst

@@ -53,20 +53,20 @@ You can invoke
 
 to start using the container. You should now be ready to run through our demo scripts:
 
-  #. :ref:`basics-tutorial`
-  #. :ref:`environments-tutorial`
-  #. :ref:`configs-tutorial`
-  #. :ref:`packaging-tutorial`
-  #. :ref:`stacks-tutorial`
-  #. :ref:`developer-workflows-tutorial`
-  #. :ref:`binary-cache-tutorial`
-  #. :ref:`spack-scripting-tutorial`
+#. :ref:`basics-tutorial`
+#. :ref:`environments-tutorial`
+#. :ref:`configs-tutorial`
+#. :ref:`packaging-tutorial`
+#. :ref:`stacks-tutorial`
+#. :ref:`developer-workflows-tutorial`
+#. :ref:`binary-cache-tutorial`
+#. :ref:`spack-scripting-tutorial`
 
 Other sections from past tutorials are also available, although they may not be kept up-to-date as frequently:
 
-  #. :ref:`modules-tutorial`
-  #. :ref:`build-systems-tutorial`
-  #. :ref:`advanced-packaging-tutorial`
+#. :ref:`modules-tutorial`
+#. :ref:`build-systems-tutorial`
+#. :ref:`advanced-packaging-tutorial`
 
 Full contents: