diff --git a/Collection-Storage.md b/Collection-Storage.md
index 92c9004..dff051c 100644
--- a/Collection-Storage.md
+++ b/Collection-Storage.md
@@ -1,50 +1,31 @@
-# Radicale >= 3.0.0
+# Radicale v3
 
-## Example for a storage layout incl. shared calendar/addressbook
+## Example for a simple storage layout 
 * `[d]`: directory
 * `[f]`: file
-* `[l]`: softlink
 
 ```
 [d] /var
 └─[d] /lib
   └─[d] /radicale
     └─[d] /collections
-      ├─[d] /collection-shared (optional)
-      │ ├─[d] sharedcalendar1 (Collection)
-      │ │ ├─[d] .Radicale.cache (automatic generated)
-      │ │ ├─[f] .Radicale.props (set: VEVENT)
-      │ │ ├─[f] sharedschedule1.ics
-      │ │ ├─[f] ...
-      │ │ └─[f] sharedscheduleX.ics
-      │ └─[d] sharedaddressbook1 (Collection)
-      │   ├─[d] .Radicale.cache (automatic generated)
-      │   ├─[f] .Radicale.props (set: VJOURNAL)
-      │   ├─[f] sharedcontact1.vcf
-      │   ├─[f] ...
-      │   └─[f] sharedcontactX.vcf
-      │
       └─[d] /collection-root
-        ├─[d] USER1
-        │ ├─[d] mycalendar1 (Collection)
-        │ │ ├─[d] .Radicale.cache (automatic generated)
+        ├─[d] /USER1
+        │ ├─[d] /mycalendar1 (Collection)
+        │ │ ├─[d] /.Radicale.cache (automatic generated)
         │ │ ├─[f] .Radicale.props (set: VEVENT)
         │ │ ├─[f] schedule1.ics
         │ │ ├...
         │ │ └─[f] scheduleX.ics
-        │ ├─[d] myaddressbook1 (Collection)
-        │ │ ├─[d] .Radicale.cache (automatic generated)
-        │ │ ├─[f] .Radicale.props (set: VJOURNAL)
-        │ │ ├─[f] contact1.vcf
-        │ │ ├...
-        │ │ └─[f] contactX.vcf
-        │ ├─[l] sharedcalendar1 -> ../../collection-shared/sharedcalendar1
-        │ └─[l] sharedaddressbook1 -> ../../collection-shared/sharedaddressbook1
+        │ ├─[d] /myaddressbook1 (Collection)
+        │   ├─[d] /.Radicale.cache (automatic generated)
+        │   ├─[f] .Radicale.props (set: VJOURNAL)
+        │   ├─[f] contact1.vcf
+        │   ├...
+        │   └─[f] contactX.vcf
         │
-        ├─[d] USER2
-        │ ├ ...
-        │ ├─[l] GroupAddressbook2 -> ../SHARED/GroupAddressbook2
-        │ └─[l] GroupCalendar2 -> ../SHARED/GroupCalendar2
+        ├─[d] /USER2
+        ...
 ```
 
 ## Collection