Document the all-balls IPv6 address.

diff --git a/doc/src/sgml/client-auth.sgml b/doc/src/sgml/client-auth.sgml
index a2c04948b274d497ab8e0ef176f3d74719b581d8..c05805b1d28ce345f2d9d5ba1e147845581e760c 100644 (file)
--- a/doc/src/sgml/client-auth.sgml
+++ b/doc/src/sgml/client-auth.sgml
@@ -241,7 +241,9 @@ hostnossl  database  user
        172.20.143.89/32 for a single host, or
        172.20.143.0/24 for a small network, or
        10.6.0.0/16 for a larger one.
-       0.0.0.0/0 (all balls) represents all addresses.
+       0.0.0.0/0 (all balls) represents all
+       IPv4 addresses, and :: represents
+       all IPv6 addresses.
        To specify a single host, use a CIDR mask of 32 for IPv4 or
        128 for IPv6.  In a network address, do not omit trailing zeroes.