Minor doc tweaks

doc/conf.py

@@ -28,7 +28,7 @@
 extensions = [
         'sphinx.ext.autodoc',
         'sphinx.ext.intersphinx',
-        'sphinx.ext.viewcode',
+        #'sphinx.ext.viewcode',
         'sphinx.ext.doctest',
         ]
 

doc/tutorial.rst

@@ -971,8 +971,6 @@ achieve the :ref:`ordering` specified by the instruction dependencies.
     Note that the size of local temporaries must, for now, be a constant at
     compile time.
 
-.. }}}
-
 Prefetching
 ~~~~~~~~~~~
 
@@ -1040,6 +1038,8 @@ Substitution rules
 Generic Precomputation
 ~~~~~~~~~~~~~~~~~~~~~~
 
+.. }}}
+
 .. _more-complicated-programs:
 
 More complicated programs