Update partial-slide-scan.rst

Author: Wytamma

posts/partial-slide-scan.rst

@@ -10,5 +10,5 @@
 
 We've got a 100MB slide scan (10x10 tiles at 400x) stiched and hosted. 
 
-Check out the source at `tiles.python-friends.com
-<https://tiles.python-friends.com/>`_.
+Check out the source at `http://tiles.python-friends.com.s3-website-ap-southeast-2.amazonaws.com/
+<http://tiles.python-friends.com.s3-website-ap-southeast-2.amazonaws.com//>`_.