doc: describe how to make gnutls-cli quiet for pipe usage

Signed-off-by: Bjoern Jacke <bjacke@samba.org>

diff --git a/src/cli-args.def b/src/cli-args.def
index 602eaf9058a63f016b9aadcf5f4a1474da2bd862..12b8bb05db8084439b71186d348ac2dddf632ab5 100644 (file)
--- a/src/cli-args.def
+++ b/src/cli-args.def
@@ -445,7 +445,7 @@ flag = {
     name      = logfile;
     arg-type  = string;
     descrip   = "Redirect informational messages to a specific file.";
-    doc       = "";
+    doc       = "Redirect informational messages to a specific file. The file may be /dev/null also to make the gnutls client quiet to use it in piped server connections where only the server communication may appear on stdout.";
 };
 
 flag = {