DOC: fixes

Author: y-p

doc/source/tutorials.rst

@@ -121,4 +121,4 @@ Various Tutorials
 - `Financial analysis in python, by Thomas Wiecki <http://nbviewer.ipython.org/github/twiecki/financial-analysis-python-tutorial/blob/master/1.%20Pandas%20Basics.ipynb>`_
 - `Intro to pandas data structures, by Greg Reda <http://www.gregreda.com/2013/10/26/intro-to-pandas-data-structures/>`_
 - `Pandas and Python: Top 10, by Manish Amde <http://manishamde.github.io/blog/2013/03/07/pandas-and-python-top-10/>`_
-- `Pandas Tutorial, by Mikhail Semeniuk <www.bearrelroll.com/2013/05/python-pandas-tutorial>`_
+- `Pandas Tutorial, by Mikhail Semeniuk <http://www.bearrelroll.com/2013/05/python-pandas-tutorial>`_