Release documentation fixes

Change-Id: Ia5f81e627d7faea39b1f24d56de7cac9aaf71b27
diff --git a/docs/source/meta/authors.rst b/docs/source/meta/authors.rst
index 875d98f..6bc8c69 100644
--- a/docs/source/meta/authors.rst
+++ b/docs/source/meta/authors.rst
@@ -1,4 +1,4 @@
 ndnSIM Team
 ===========
 
-.. include:: ../../../AUTHORS
+.. include:: ../../../AUTHORS.rst
diff --git a/docs/source/meta/copying.rst b/docs/source/meta/copying.rst
index db081d7..d1e9470 100644
--- a/docs/source/meta/copying.rst
+++ b/docs/source/meta/copying.rst
@@ -2,7 +2,7 @@
 Copyright and License
 =====================
 
-Copyright © 2011-2018 University of California, Los Angeles
+Copyright © 2011-2020 University of California, Los Angeles
 
 ndnSIM is licensed under conditions of GNU General Public License version 3.0 or later
 with permission to be linked with NS-3 codebase (GPL 2.0).