diff --git a/data/org.freedesktop.portal.Notification.xml b/data/org.freedesktop.portal.Notification.xml
index 5071c0ad5..9474aa6b1 100644
--- a/data/org.freedesktop.portal.Notification.xml
+++ b/data/org.freedesktop.portal.Notification.xml
@@ -199,7 +199,7 @@
             notification server to treat the button specially.
 
             Depending on the ``purpose`` other fields of the button may be ignored.
-            If the server doesn't understand the ``purpose` it will be
+            If the server doesn't understand the ``purpose`` it will be
             ignored and the button will be shown as a normal button.
 
             Most standardized hints are defined as part of a ``category``.
@@ -208,18 +208,18 @@
 
             The following purposes are defined outside of a ``category``:
 
-              * ``system.custom-alert``:
+            * ``system.custom-alert``:
 
-                Not a button in a strict sense. This action may be called,
-                depending on system policies, automatically by the notification
-                server whenever the notification is shown.
+              Not a button in a strict sense. This action may be called,
+              depending on system policies, automatically by the notification
+              server whenever the notification is shown.
 
-                This allows apps to use custom methods for notifying the user,
-                for example, to play audio from a special
-                source like a streaming service or a radio station.
+              This allows apps to use custom methods for notifying the user,
+              for example, to play audio from a special
+              source like a streaming service or a radio station.
 
-                No ``label`` should be given when this purpose is used, so that
-                the server can ignore the button if it doesn't understand the purpose.
+              No ``label`` should be given when this purpose is used, so that
+              the server can ignore the button if it doesn't understand the purpose.
 
         * ``display-hint`` (``as``)
 
@@ -319,11 +319,11 @@
 
             This type has the following button purposes:
 
-            * ``call.hang-up``:
+          * ``call.hang-up``:
 
-              Hang up the ongoing call.
+            Hang up the ongoing call.
 
-           * ``call.enable-speakerphone``:
+            * ``call.enable-speakerphone``:
 
               Enable the speakerphone for the ongoing call.
 
diff --git a/tests/notification.c b/tests/notification.c
index c375d8959..57a0ee834 100644
--- a/tests/notification.c
+++ b/tests/notification.c
@@ -541,20 +541,30 @@ void
 test_notification_supported_properties (void)
 {
   g_autoptr(XdpPortal) portal = NULL;
+  const char *expected_serialized;
   g_autoptr(GKeyFile) keyfile = NULL;
   g_autoptr(GError) error = NULL;
   g_autofree char *path = NULL;
+  g_autoptr(GVariant) expected_response = NULL;
+  g_autoptr(GVariant) response = NULL;
 
   keyfile = g_key_file_new ();
 
-  g_key_file_set_string (keyfile, "notification", "supported-options", "{ 'something': <'sdfs'> }");
+  expected_serialized = "{ 'something': <'sdfs'> }";
+  g_key_file_set_string (keyfile, "notification", "supported-options", expected_serialized);
 
   path = g_build_filename (outdir, "notification", NULL);
   g_key_file_save_to_file (keyfile, path, &error);
   g_assert_no_error (error);
 
+  /* Wait for the backend to update the supported options */
+  sleep (1);
+
   portal = xdp_portal_new ();
 
-  xdp_portal_get_supported_options (portal);
+  response = xdp_portal_get_supported_notification_options (portal, &error);
+  g_assert_no_error (error);
+  expected_response = g_variant_parse (G_VARIANT_TYPE_VARDICT, expected_serialized, NULL, NULL, NULL);
+  g_assert_true (g_variant_equal (expected_response, response));
 }
 #endif