diff --git a/README.md b/README.md
index fdf7a80..087ae5f 100644
--- a/README.md
+++ b/README.md
@@ -73,10 +73,7 @@ from desktop_notifier import DesktopNotifier, Urgency, Button, ReplyField, DEFAU
 
 
 async def main() -> None:
-    notifier = DesktopNotifier(
-        app_name="Sample App",
-        notification_limit=10,
-    )
+    notifier = DesktopNotifier(app_name="Sample App")
 
     await notifier.send(
         title="Julius Caesar",
diff --git a/src/desktop_notifier/backends/dbus.py b/src/desktop_notifier/backends/dbus.py
index 916ab2f..91638bc 100644
--- a/src/desktop_notifier/backends/dbus.py
+++ b/src/desktop_notifier/backends/dbus.py
@@ -115,7 +115,7 @@ async def _send(self, notification: Notification) -> None:
 
         if notification.sound:
             if notification.sound.is_named():
-                hints_v["sound-name"] = Variant("s", "message-new-instant")
+                hints_v["sound-name"] = Variant("s", notification.sound.name)
             else:
                 hints_v["sound-file"] = Variant("s", notification.sound.as_uri())
 
@@ -172,7 +172,7 @@ async def _clear(self, identifier: str) -> None:
         Asynchronously removes a notification from the notification center
         """
         if not self.interface:
-            return
+            self.interface = await self._init_dbus()
 
         platform_id = self._platform_to_interface_notification_identifier.inverse[
             identifier
@@ -199,9 +199,6 @@ async def _clear_all(self) -> None:
         """
         Asynchronously clears all notifications from notification center
         """
-        if not self.interface:
-            return
-
         for identifier in list(
             self._platform_to_interface_notification_identifier.values()
         ):
diff --git a/src/desktop_notifier/main.py b/src/desktop_notifier/main.py
index 61c8699..23d1f92 100644
--- a/src/desktop_notifier/main.py
+++ b/src/desktop_notifier/main.py
@@ -310,7 +310,7 @@ def on_dismissed(self, handler: Callable[[str], Any] | None) -> None:
     @property
     def on_button_pressed(self) -> Callable[[str, str], Any] | None:
         """
-        A method to call when a notification is dismissed
+        A method to call when one of the notification's buttons is clicked
 
         The method must take the notification identifier and the button identifier as
         arguments.
diff --git a/src/desktop_notifier/sync.py b/src/desktop_notifier/sync.py
index 447f240..307ee1d 100644
--- a/src/desktop_notifier/sync.py
+++ b/src/desktop_notifier/sync.py
@@ -41,7 +41,7 @@ def __init__(
         app_icon: Icon | None = DEFAULT_ICON,
         notification_limit: int | None = None,
     ) -> None:
-        self._async_api = DesktopNotifier(app_name, app_icon)
+        self._async_api = DesktopNotifier(app_name, app_icon, notification_limit)
         self._loop = asyncio.new_event_loop()
 
     def _run_coro_sync(self, coro: Coroutine[None, None, T]) -> T:
diff --git a/tests/test_callbacks.py b/tests/test_callbacks.py
index 2347e6e..55be0f5 100644
--- a/tests/test_callbacks.py
+++ b/tests/test_callbacks.py
@@ -25,7 +25,7 @@
 async def check_supported(notifier: DesktopNotifier, capability: Capability) -> None:
     capabilities = await notifier.get_capabilities()
     if capability not in capabilities:
-        pytest.skip(f"{notifier} not supported by backend")
+        pytest.skip(f"{capability} not supported by {notifier} backend")
 
 
 @pytest.mark.asyncio