MB-18806: Fix example in help message for audit-settings command
MB-18806: Fix example in help message for audit-settings command

4 is an illegal value. The smallest it can be is 900.

Change-Id: Iaab4c1442bb9b9ba13d2041f3a82c4cdb783218f
Reviewed-on: http://review.couchbase.org/61781
Reviewed-by: Eben Haber <d1abc94d70526bfcf3e4b0ce727cb9a6fbb52a3a@couchbase.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli