fix small doc issues

Author: wholmgren

docs/sphinx/source/classes.rst

@@ -33,7 +33,7 @@ ModelChain
     :show-inheritance:
 
 MoreSpecificModelChain
-----------
+----------------------
 .. autoclass:: pvlib.modelchain.MoreSpecificModelChain
     :members:
     :undoc-members:
@@ -54,7 +54,7 @@ SingleAxisTracker
     :show-inheritance:
 
 LocalizedSingleAxisTracker
------------------
+--------------------------
 .. autoclass:: pvlib.tracking.LocalizedSingleAxisTracker
     :members:
     :undoc-members:

docs/sphinx/source/whatsnew/v0.3.0.txt

@@ -39,9 +39,11 @@ Enhancements
 ~~~~~~~~~~~~
 
 * Added new sections to the documentation:
+
     * :ref:`package_overview`
     * :ref:`variables_style_rules`
-    * :ref:'classes`
+    * :ref:`classes`
+
 * Adds support for Appveyor, a Windows continuous integration service.
   (:issue:`111`)
 * The readthedocs documentation build now uses conda packages