cosmetics

DOCUMENTATION.md

@@ -1713,14 +1713,14 @@ Radicale has been tested with:
 * [GNOME Calendar](https://wiki.gnome.org/Apps/Calendar),
   [Contacts](https://wiki.gnome.org/Apps/Contacts) and
   [Evolution](https://wiki.gnome.org/Apps/Evolution)
-* [Mozilla Thunderbird](https://www.mozilla.org/thunderbird/) [Thunderbird/Radicale](https://github.com/Kozea/Radicale/wiki/Client-Thunderbird) with
+* [Mozilla Thunderbird](https://www.mozilla.org/thunderbird/) ([Thunderbird/Radicale](https://github.com/Kozea/Radicale/wiki/Client-Thunderbird)) with
   [CardBook](https://addons.mozilla.org/thunderbird/addon/cardbook/) and
   [Lightning](https://www.mozilla.org/projects/calendar/)
-* [InfCloud](https://www.inf-it.com/open-source/clients/infcloud/) [InfCloud/Radicale](https://github.com/Kozea/Radicale/wiki/Client-InfCloud),
+* [InfCloud](https://www.inf-it.com/open-source/clients/infcloud/) ([InfCloud/Radicale](https://github.com/Kozea/Radicale/wiki/Client-InfCloud)),
   [CalDavZAP](https://www.inf-it.com/open-source/clients/caldavzap/),
   [CardDavMATE](https://www.inf-it.com/open-source/clients/carddavmate/) and
   [Open Calendar](https://github.com/algoo/open-calendar/)
-* [pimsync](https://pimsync.whynothugo.nl/) [pimsync/Radicale](https://github.com/Kozea/Radicale/wiki/Client-pimsync)
+* [pimsync](https://pimsync.whynothugo.nl/) ([pimsync/Radicale](https://github.com/Kozea/Radicale/wiki/Client-pimsync))
 
 Many clients do not support the creation of new calendars and address books.
 You can use Radicale's web interface