Make "tinc add" idempotent.

[tinc] / doc / tinc.8.in

diff --git a/doc/tinc.8.in b/doc/tinc.8.in
index aa4e833..02f1b9a 100644 (file)
--- a/doc/tinc.8.in
+++ b/doc/tinc.8.in
@@ -88,6 +88,7 @@ To set a variable for a specific host, use the notation
 .Ar host Ns Li . Ns Ar variable .
 .It add Ar variable Ar value
 As above, but without removing any previously existing configuration variables.
+If the variable already exists with the given value, nothing happens.
 .It del Ar variable Op Ar value
 Remove configuration variables with the same name and
 .Ar value .