Fix the manpage about xid.

Something was missing from this one sentence. Now it is complete.

1 files changed, 3 insertions, 1 deletions

diff --git a/surf.1 b/surf.1
index 2b7080c..4418419 100644
--- a/surf.1
+++ b/surf.1
@@ -103,7 +103,9 @@ which surf should use.
 Prints version information to standard output, then exits.
 .TP
 .B \-x
-Prints xid to standard output. This can be used to script the browser by using
+Prints xid to standard output. This can be used to script the browser in for
+example
+.BR xdotool(1).
 .TP
 .B \-z zoomlevel 
 Specify the