diff --git a/docs/conf.py b/docs/conf.py
index <HASH>..<HASH> 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -95,7 +95,8 @@ master_doc = 'index'
 # General information about the project.
 project = 'MetPy'
 # noinspection PyShadowingBuiltins
-copyright = ('2019, MetPy Developers. Development supported by National Science Foundation grants '
+copyright = ('2019-2020, MetPy Developers. '
+             'Development supported by National Science Foundation grants '
              'AGS-1344155, OAC-1740315, and AGS-1901712.')
 
 # The version info for the project you're documenting, acts as replacement for
Update copyright year to include <I>