diff --git a/doc/ccollect.text b/doc/ccollect.text
index 0785983..37de4e8 100644
--- a/doc/ccollect.text
+++ b/doc/ccollect.text
@@ -595,7 +595,7 @@ host mx2.schottelius.org
    Port 2342
 --------------------------------------------------------------------------------
 
-If you only use that port for backup and normally want to use another port,
+If you only use that port for backup only and normally want to use another port,
 you can add 'HostName' and "HostKeyAlias" (if you also have different
 keys on the different ports):
 
@@ -612,7 +612,6 @@ Host bruehe
 --------------------------------------------------------------------------------
 
 
-
 Using source names or interval in pre_/post_exec scripts
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 The pre-/post_exec scripts can access some internal variables from `ccollect`:
@@ -734,6 +733,19 @@ of different requirements, you can even omit creating
 `/etc/ccollect/default/intervals/daily`.
 
 
+Comparing backups
+~~~~~~~~~~~~~~~~~
+If you want to see what changed between two backups, you can use
+`rsync` directly:
+
+--------------------------------------------------------------------------------
+[12:00] u0255:ddba034.netstream.ch#  rsync -n -a --delete --stats --progress daily.20080324-0313.17841/ daily.20080325-0313.31148/
+--------------------------------------------------------------------------------
+This results in a listing of changes. Because we pass -n to rsync no transfer
+is made (i.e. report only mode)"
+
+This hint was reported by Daniel Aubry.
+
 F.A.Q.
 ------
 
diff --git a/doc/changes/0.7.1 b/doc/changes/0.7.1
index ece77fb..eda40bc 100644
--- a/doc/changes/0.7.1
+++ b/doc/changes/0.7.1
@@ -1 +1,2 @@
 * Added support for global delete_incomplete option
+* Updated documentation (more hints)
diff --git a/doc/todo/0.7.2 b/doc/todo/0.7.2
index 9e43ba0..79a50aa 100644
--- a/doc/todo/0.7.2
+++ b/doc/todo/0.7.2
@@ -57,3 +57,7 @@ rsync_extra global!
 --------------------------------------------------------------------------------
    Always report return code!
 
+[12:00] u0255:ddba034.netstream.ch#  rsync -n -a --delete --stats --progress daily.20080324-0313.17841/ daily.20080325-0313.31148/
+
+$tool <name> <version1> <version2>
+