mail-wrapper: Show default for <from> and <to> on --help

diff --git a/mail/wrapper/mail-wrapper b/mail/wrapper/mail-wrapper
index e3c8adbbcb26fa4792f0c12d117107c28f58f93d..1a7fd106f93dc880be954dd5c5503bafca348507 100755 (executable)
--- a/mail/wrapper/mail-wrapper
+++ b/mail/wrapper/mail-wrapper
@@ -41,7 +41,8 @@ usage() {
                echo "  --subject|-s <subject>  Subject for the email."
                echo "  --to|-t <address>       Email address to send the email to."
                echo
-               echo "When no <command> is given, $NAME reads from standard input."
+               echo "When no <command> is given, $NAME reads from standard input. The default for"
+               echo "<from> and <to> for the current user is \"$to\"."
                echo
        } >&2
        exit "${1:-0}"