Fix markup error and update suspicious ignores.
diff --git a/Doc/howto/pyporting.rst b/Doc/howto/pyporting.rst
index fc08d18..fb595d0 100644
--- a/Doc/howto/pyporting.rst
+++ b/Doc/howto/pyporting.rst
@@ -557,11 +557,11 @@
    except ImportError:  # Python 2
      from distutils.command.build_py import build_py
 
-   setup(cmdclass = {'build_py':build_py},
+   setup(cmdclass = {'build_py': build_py},
      # ...
    )
 
-   For Distribute::
+For Distribute::
 
    setup(use_2to3=True,
      # ...