face: change default Unix socket path

Refs: #5304
Change-Id: I5c7415874131b156e54a655960d9de47c1eae91d
diff --git a/docs/manpages/nfdc-face.rst b/docs/manpages/nfdc-face.rst
index c09191b..410b814 100644
--- a/docs/manpages/nfdc-face.rst
+++ b/docs/manpages/nfdc-face.rst
@@ -66,7 +66,7 @@
     - tcp4://192.0.2.1:6363
     - tcp6://[2001:db8::1]:6363
     - tcp://example.net
-    - unix:///var/run/nfd.sock
+    - unix:///run/nfd/nfd.sock
     - fd://6
     - ether://[08:00:27:01:01:01]
     - dev://eth0