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-rw-r--r--src/_updown/_updown.in8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/_updown/_updown.in b/src/_updown/_updown.in
index 0539e5110..3a40e2110 100644
--- a/src/_updown/_updown.in
+++ b/src/_updown/_updown.in
@@ -73,8 +73,12 @@
# just the host, this will be 255.255.255.255.
#
# PLUTO_MY_SOURCEIP
-# if non-empty, then the source address for the route will be
-# set to this IP address.
+# PLUTO_MY_SOURCEIP4_$i
+# PLUTO_MY_SOURCEIP6_$i
+# contains IPv4/IPv6 virtual IP received from a responder,
+# $i enumerates from 1 to the number of IP per address family.
+# PLUTO_MY_SOURCEIP is a legacy variable and equals to the first
+# virtual IP, IPv4 or IPv6.
#
# PLUTO_MY_PROTOCOL
# is the IP protocol that will be transported.