DOC: cookbook.rst corrections

Author: jreback

doc/source/cookbook.rst

@@ -63,16 +63,16 @@ The :ref:`indexing <indexing>` docs.
 `Indexing using both row labels and conditionals
 <http://stackoverflow.com/questions/14725068/pandas-using-row-labels-in-boolean-indexing>`__
 
-`Use loc for label-oriented slicing and iloc positional slicing 
+`Use loc for label-oriented slicing and iloc positional slicing
 <https://github.com/pydata/pandas/issues/2904>`__
 
-`Extend a panel frame by transposing, adding a new dimension, and transposing back to the original dimensions 
+`Extend a panel frame by transposing, adding a new dimension, and transposing back to the original dimensions
 <http://stackoverflow.com/questions/15364050/extending-a-pandas-panel-frame-along-the-minor-axis>`__
 
-`Mask a panel by using ``np.where`` and then reconstructing the panel with the new masked values
+`Mask a panel by using np.where and then reconstructing the panel with the new masked values
 <http://stackoverflow.com/questions/14650341/boolean-mask-in-pandas-panel>`__
 
-`Using ``~`` to take the complement of a boolean array, see
+`Using ~ to take the complement of a boolean array, see
 <http://stackoverflow.com/questions/14986510/picking-out-elements-based-on-complement-of-indices-in-python-pandas>`__
 
 `Efficiently creating columns using applymap