vlogger.8: fix -f description

Duncaen · Duncaen · commit b25043d6e1e7 · 2019-08-25T14:21:18.000+02:00
diff --git a/vlogger.8 b/vlogger.8
@@ -45,7 +45,9 @@ The options are as follows:
 .It Fl f Ar file
 Read lines from the specified
 .Ar file .
-This
+This option cannot be combine
+.Ar message
+arguments.
 .It Fl i
 Log the PID of the
 .Nm
