face: change default Unix socket path

Refs: #5304
Change-Id: I5c7415874131b156e54a655960d9de47c1eae91d
diff --git a/docs/conf.py b/docs/conf.py
index 4ab82aa..83b4c52 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -10,7 +10,7 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = 'Named Data Networking Forwarding Daemon (NFD)'
-copyright = 'Copyright © 2014-2023 Named Data Networking Project.'
+copyright = 'Copyright © 2014-2024 Named Data Networking Project.'
 author = 'Named Data Networking Project'
 
 # The short X.Y version.