Documentation improvements.

Signed-off-by: Alex Stancu <alexandru.stancu@highstreet-technologies.com>
Change-Id: Ief75157150c98da06b54584498e03a0d9718f17d
diff --git a/docs/index.rst b/docs/index.rst
index 22dd18a..44c214b 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,6 +1,6 @@
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 .. SPDX-License-Identifier: CC-BY-4.0
-.. Copyright (C) 2019 highstreet technologies GmbH
+.. Copyright (C) 2019 highstreet technologies GmbH and others
 
 
 Welcome to O-RAN SC sim/o1-interface Documentation