Fixed incorrect http link in the README

Author: tleonhardt

README.md

@@ -112,9 +112,9 @@ Instructions for implementing each feature follow.
 Tutorials
 ---------
 
-A couple tutorials on using cmd2 exist:
+A few tutorials on using cmd2 exist:
 
-* Florida PyCon 2017 talk: [slides](https://archive.org/details/pyvideo_541___pyohio-2011-interactive-command-line-interpreters-with-cmd-and-cmd2)
+* Florida PyCon 2017 talk: [slides](https://docs.google.com/presentation/d/1LRmpfBt3V-pYQfgQHdczf16F3hcXmhK83tl77R6IJtE)
 * PyCon 2010 talk by Catherine Devlin, the original author: [video](http://pyvideo.org/pycon-us-2010/pycon-2010--easy-command-line-applications-with-c.html)
 * A nice brief step-by-step tutorial: [blog](https://kushaldas.in/posts/developing-command-line-interpreters-using-python-cmd2.html)
 

docs/index.rst

@@ -46,7 +46,7 @@ Resources
 * cmd_
 * `cmd2 project page`_
 * `project bug tracker`_
-* Florida PyCon 2017: `slides <https://docs.google.com/presentation/d/1LRmpfBt3V-pYQfgQHdczf16F3hcXmhK83tl77R6IJtE/edit?usp=sharing>`_
+* Florida PyCon 2017: `slides <https://docs.google.com/presentation/d/1LRmpfBt3V-pYQfgQHdczf16F3hcXmhK83tl77R6IJtE>`_
 * PyOhio 2011: `video <https://archive.org/details/pyvideo_541___pyohio-2011-interactive-command-line-interpreters-with-cmd-and-cmd2>`_
 * PyCon 2010: `presentation <https://github.com/python-cmd2/cmd2/blob/master/docs/pycon2010/pycon2010.rst>`_,
   `video <http://pyvideo.org/pycon-us-2010/pycon-2010--easy-command-line-applications-with-c.html>`_