diff --git a/sample-etc_ddclient.conf b/sample-etc_ddclient.conf
index 6922ad3..913e41c 100644
--- a/sample-etc_ddclient.conf
+++ b/sample-etc_ddclient.conf
@@ -50,6 +50,10 @@ ssl=yes					# use ssl-support.  Works with
 #use=fw, fw=192.168.1.254/status.htm, fw-skip='IP Address' # found after IP Address
 #
 ## To obtain an IP address from Web status page (using the proxy if defined)
+## by default, checkip.dyndns.org is used if you use the dyndns protocol. 
+## Using use=web is enough to get it working.
+## WARNING: set deamon at least to 600 seconds if you use checkip or you could
+## get banned from their service.
 #use=web, web=checkip.dyndns.org/, web-skip='IP Address' # found after IP Address
 #
 #use=ip,                     ip=127.0.0.1	# via static IP's