Document default configuration file location
diff --git a/vncviewer/vncviewer.man b/vncviewer/vncviewer.man
index 6c6a0fb..b3251e5 100644
--- a/vncviewer/vncviewer.man
+++ b/vncviewer/vncviewer.man
@@ -260,6 +260,11 @@
 host, the port number on the remote host, and the gateway machine
 respectively.
 
+.SH FILES
+.TP
+$HOME/.vnc/default.tigervnc
+Default configuration options.
+
 .SH SEE ALSO
 .BR Xvnc (1),
 .BR vncpasswd (1),