diff --git a/Collection-Storage.md b/Collection-Storage.md
index dff051c..b92e404 100644
--- a/Collection-Storage.md
+++ b/Collection-Storage.md
@@ -45,6 +45,8 @@ Property file of collection
 
 Example using `jq` for pretty-print
 
+#### Example of a calendar collection
+
 ```
 jq . .Radicale.props 
 {
@@ -56,6 +58,20 @@ jq . .Radicale.props
 }
 ```
 
+#### Example of a addressbook collection
+
+``` 
+jq .  .Radicale.props 
+{
+  "CR:addressbook-description": "AddressBook",
+  "D:displayname": "AddressBook",
+  "{http://inf-it.com/ns/ab/}addressbook-color": "#758857ff",
+  "tag": "VADDRESSBOOK",
+}
+
+
+```
+
 ### Directory: .Radicale.cache
 
 #### Directory: .Radicale.cache/history