update copyright year

Daniel D. Beck · Daniel D. Beck · commit 9025c625a8e1 · 2015-11-12T20:03:03.000Z
diff --git a/source/conf.py b/source/conf.py
@@ -47,7 +47,7 @@
 
 # General information about the project.
 project = u'Python Packaging User Guide'
-copyright = u'2013, PyPA'
+copyright = u'2013–2015, PyPA'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
