diff --git a/ChangeLog b/ChangeLog
index 3dfbed8..cfa0959 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14,6 +14,7 @@ version 0.9.8 -- UNRELEASED
 	 . Put archive directory (cache) into /var/backups/duplicity rather
 	   than the default /root/.cache/duplicity, unless the user
 	   has specified it (Closes: 580213)
+	 . Better example.dup documentation. Thanks, Alster!
 
 version 0.9.7 -- January 27, 2010
     backupninja changes
diff --git a/examples/example.dup b/examples/example.dup
index 53039f5..2c0c41d 100644
--- a/examples/example.dup
+++ b/examples/example.dup
@@ -19,7 +19,8 @@
 ## Default:
 # nicelevel = 0
 
-## test the connection? set to no to skip the test if the remote host is alive
+## test the connection? set to no to skip the test if the remote host is alive.
+## if 'desturl' is set below, 'testconnect' must be set to 'no' for now.
 ##
 ## Default:
 # testconnect = yes
@@ -169,6 +170,7 @@ exclude = /home/*/.gnupg
 ## desturl = file:///usr/local/backup
 ## desturl = rsync://user@other.host//var/backup/bla
 ## desturl = s3+http://
+## desturl = ftp://myftpuser[:myftppassword]@ftp.example.org/remote/ftp/path
 ## the default value of this configuration option is not set:
 ##
 ## Default:
@@ -183,8 +185,9 @@ exclude = /home/*/.gnupg
 # awsaccesskeyid = 
 # awssecretaccesskey = 
 
-## bandwith limit, in kbit/s ; default is 0, i.e. no limit an example
-## setting would be:
+## bandwith limit, in kbit/s ; default is 0, i.e. no limit
+## if using 'desturl' above, 'bandwidthlimit' must not be set
+## an example setting of 128 kbps would be:
 ## bandwidthlimit = 128
 ##
 ## Default:
@@ -199,14 +202,18 @@ exclude = /home/*/.gnupg
 ## Default:
 # sshoptions = 
 
-## put the backups under this directory, this must be set!
+## put the backups under this destination directory
+## if using 'desturl' above, this must not be set
+## in all other cases, this must be set!
 ## an example setting would be:
 ## destdir = /backups
 ## 
 ## Default:
 # destdir = 
 
-## the machine which will receive the backups, this must be set!
+## the machine which will receive the backups
+## if using 'desturl' above, this must not be set
+## in all other cases, this must be set!
 ## an example setting would be:
 ## desthost = backuphost
 ## 
@@ -214,12 +221,11 @@ exclude = /home/*/.gnupg
 # desthost = 
 
 ## make the files owned by this user
-## note: you must be able to ssh backupuser@backhost
-## without specifying a password (if type = remote).
+## if using 'desturl' above, this must not be set
+## note: if using an SSH based transport and 'type' is set to 'remote', you must
+##       be able to 'ssh backupuser@backuphost' without specifying a password.
 ## an example setting would be:
 ## destuser = backupuser
 ##
 ## Default:
 # destuser =
-
-
diff --git a/handlers/dup.helper.in b/handlers/dup.helper.in
index 47f4469..a47064d 100644
--- a/handlers/dup.helper.in
+++ b/handlers/dup.helper.in
@@ -280,7 +280,8 @@ options = $dup_options
 # default is 0, but set to 19 if you want to lower the priority.
 nicelevel = $dup_nicelevel
 
-# default is yes. set to no to skip the test if the remote host is alive
+# default is yes. set to no to skip the test if the remote host is alive.
+# if 'desturl' is set below, 'testconnect' must be set to 'no' for now.
 testconnect = $dup_testconnect
 
 ######################################################
@@ -429,6 +430,7 @@ keep = $dup_keep
 #desturl = file:///usr/local/backup
 #desturl = rsync://user@other.host//var/backup/bla
 #desturl = s3+http://your_bucket
+#desturl = ftp://myftpuser[:myftppassword]@ftp.example.org/remote/ftp/path
 
 # Amazon Web Services Access Key ID and Secret Access Key, needed for backups
 # to S3 buckets.
@@ -436,6 +438,8 @@ keep = $dup_keep
 #awssecretaccesskey = YOUR_AWS_SECRET_KEY
 
 # bandwith limit, in kbit/s ; default is 0, i.e. no limit
+# if using 'desturl' above, 'bandwidthlimit' must not be set
+# an example setting of 128 kbps would be:
 #bandwidthlimit = 128
 bandwidthlimit = $dup_bandwidth
 
@@ -445,15 +449,20 @@ bandwidthlimit = $dup_bandwidth
 #sshoptions = -o IdentityFile=/root/.ssh/id_dsa_duplicity
 sshoptions = $dup_sshoptions
 
-# put the backups under this directory
+# put the backups under this destination directory
+# if using 'desturl' above, this must not be set
+# in all other cases, this must be set!
 destdir = $dup_destdir
 
 # the machine which will receive the backups
+# if using 'desturl' above, this must not be set
+# in all other cases, this must be set!
 desthost = $dup_desthost
 
 # make the files owned by this user
-# note: you must be able to ssh backupuser@backhost
-# without specifying a password (if type = remote).
+# if using 'desturl' above, this must not be set
+# note: if using an SSH based transport and 'type' is set to 'remote', you must
+#       be able to 'ssh backupuser@backuphost' without specifying a password.
 destuser = $dup_destuser
 
 EOF