Updated copyright year in documentation
diff --git a/doc/conf.py b/doc/conf.py
index c2b4a7b..95317b2 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -46,7 +46,7 @@
 
 # General information about the project.
 project = u'Python-RSA'
-copyright = u'2011, Sybren A. Stüvel'
+copyright = u'2011-2016, Sybren A. Stüvel'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the