add info on fix for TB60, simplify on CardBook

CardBook can autodiscover your resources. No need to enter the complete URL of your address book

user_manual/pim/sync_thunderbird.rst

@@ -20,7 +20,7 @@ When they are installed, if you are on Windows, go to **Extras**/**Synchronisati
 * In the next window, go with the default called **Automatic configuration** and click **next**
 * Enter an an **account name**, which you can freely choose, **user name**, **password** and the **URL of your server** and click **next**
 * In the next window, TBSync should have autodiscovered the CalDAV and CardDAV addresses. When it has, click **Finish**.
-* Now check the box **Enable and synchronizes this account**. TBSync will discover all address books and calenders your account has access to on the server
+* Now check the box **Enable and synchronize this account**. TBSync will discover all address books and calenders your account has access to on the server
 * Check the box next to each calender and address book you want to have synchronised, also set how often you want them to be synchronised and push the button **sychronise now**
 * After the first successful synchronisation is complete, you can close the window. Henceforth, TBSync will do the work for you. You are done and can skip the next sections (unless you need a more advanced address book)
 
@@ -28,31 +28,23 @@ When they are installed, if you are on Windows, go to **Extras**/**Synchronisati
 Alternative: Using the CardBook add-on (Contacts only)
 ------------------------------------------------------
 `CardBook <https://addons.thunderbird.net/de/thunderbird/addon/cardbook/>`_ is an advanced alternative to Thunderbird's address book, which supports CardDAV. You can have TBSync and CardBook installed in parallel.
-Once you've installed CardBook and Thunderbird do like this:
-
-1. In the bottom left of the Contacts View (in Nextcloud contatcs) look for a little impeller symbol that looks like this:
-
-.. image:: ../images/contacts_link.png
-
-which will display and URL that looks something like this:
-https://cloud.nextcloud.com/remote.php/dav/addressbooks/users/daniel/Thunderbird/
-
-2. Cardbook is found in the upper right corner of Thunderbird:
+ 
+1. Cardbook is found in the upper right corner of Thunderbird:
 
 .. image:: ../images/cardbook_icon.png
 
-3. In the Thunderbird Cardbook add-on:
+2. In the Thunderbird Cardbook add-on:
 
    -  "Adressbook > New Adressbook **Remote** > Next
-   -  Fill in your information
+   -  Fill in the address of your Nextcloud server, your user name and password
 
 .. image:: ../images/new_addressbook.png
 
-4. Validate your settings and click Next, then choose the name of the addressbook and click Next again.
+4. Click on "Validate", click Next, then choose the name of the addressbook and click Next again.
 
 .. image:: ../images/addressbook_name.png
 
-5. Once installed, synchronize your addressbook by clicking "Synchronize" in the top left corner of CardBook.
+5. When you are finished, CardBook synchronizes your addressbooks. You can always trigger a synchronisation manually by clicking "Synchronize" in the top left corner of CardBook.
 You'll see your address book populate from Nextcloud!
 
 .. image:: ../images/synchronize_cardbook.png
@@ -77,3 +69,7 @@ https://cloud.nextcloud.com/remote.php/dav/calendars/daniel/personal/
 .. image:: ../images/CalDAV_calendar.png
 
 The rest of the details of dealing with Thunderbird Calendar are left to the reader...
+
+Fix for Thunderbird 60
+----------------------
+If you are still using Thunderbird 60, you need to change a configuration setting to make CalDAV/CardDAV work around Thunderbird bug `#1468918 <https://bugzilla.mozilla.org/show_bug.cgi?id=1468912>`_ as described `here <https://help.nextcloud.com/t/thunderbird-60-problems-with-address-and-calendar-sync/35773>`_