bfd: Clarify bfd:enable.

This commit clarifies the documentation for 'bfd:enable'
when it is not specified.

Signed-off-by: Alex Wang <alexw@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index 329ea31..43ebbb8 100644 (file)
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -1958,7 +1958,8 @@
        </p>
 
        <column name="bfd" key="enable" type='{"type": "boolean"}'>
-          True to enable BFD on this <ref table="Interface"/>.
+          True to enable BFD on this <ref table="Interface"/>.  If not
+          specified, BFD will not be enabled by default.
        </column>
 
        <column name="bfd" key="min_rx"