diff --git a/docs/setup.rst b/docs/setup.rst
index b5c3569..1592322 100644
--- a/docs/setup.rst
+++ b/docs/setup.rst
@@ -4,7 +4,7 @@ Setup
 
 .. warning::
 
-   This plugin requires Radicale 2.0 or higher.
+   This plugin requires Radicale 3.0 or higher.
 
 Once `Radicale is installed
 <http://radicale.org/documentation/>`_ on your server, you must
diff --git a/modoboa_radicale/management/commands/generate_rights.py b/modoboa_radicale/management/commands/generate_rights.py
index 7c9abce..bf5d298 100644
--- a/modoboa_radicale/management/commands/generate_rights.py
+++ b/modoboa_radicale/management/commands/generate_rights.py
@@ -25,15 +25,15 @@ def add_arguments(self, parser):
             "--force", action="store_true", default=False,
             help="Force generation of rights file")
 
-    def _generate_acr(self, name, user, collection, perm="rw", comment=None):
+    def _generate_acr(self, name, user, collection, perm="RrWw", comment=None):
         """Write a new access control rule to the config file."""
         if comment is not None:
             self._cfgfile.write("\n# %s" % comment)
         self._cfgfile.write("""
 [%s]
-user = %s
-collection = %s
-permissions = %s
+user: %s
+collection: %s
+permissions: %s
 """ % (name, user, collection, perm)
         )
 
@@ -45,9 +45,9 @@ def _user_access_rules(self):
             )
             permission = ""
             if acr.read:
-                permission += "r"
+                permission += "Rr"
             if acr.write:
-                permission += "w"
+                permission += "Ww"
             self._generate_acr(
                 section, acr.mailbox.full_address, acr.calendar.path,
                 permission,
@@ -59,7 +59,7 @@ def _token_access_rules(self):
             for calendar in model.objects.all():
                 section = "token-{}-access".format(calendar._path)
                 self._generate_acr(
-                    section, calendar.access_token, calendar._path, perm="r",
+                    section, calendar.access_token, calendar._path, perm="Rr",
                     comment="Read-only access using a token"
                 )