diff --git a/user_manual/pim/sync_thunderbird.rst b/user_manual/pim/sync_thunderbird.rst
index 6b3a6c93d..b4b5ac21d 100644
--- a/user_manual/pim/sync_thunderbird.rst
+++ b/user_manual/pim/sync_thunderbird.rst
@@ -21,7 +21,7 @@ Using the CardBook add-on (Contacts only)
 2. In Cardbook:
 
    -  "Adressbook > New Adressbook **Remote** > Next
-   -  Fill in the address of your Nextcloud server, your user name and password
+   -  Select **CardDAV**, fill in the address of your Nextcloud server, your user name and password
 
 .. image:: ../images/new_addressbook.png