diff --git a/src/r0/device/get_devices.rs b/src/r0/device/get_devices.rs
index acfe4fce..0e6fef51 100644
--- a/src/r0/device/get_devices.rs
+++ b/src/r0/device/get_devices.rs
@@ -16,6 +16,7 @@ ruma_api! {
     request {}
 
     response {
+        /// A list of all registered devices for this user
         pub devices: Vec<Device>,
     }
 
diff --git a/src/r0/sync/sync_events.rs b/src/r0/sync/sync_events.rs
index 2a6c4828..a253698c 100644
--- a/src/r0/sync/sync_events.rs
+++ b/src/r0/sync/sync_events.rs
@@ -14,7 +14,7 @@ use ruma_events::{
     to_device::AnyToDeviceEvent,
     EventJson,
 };
-use ruma_identifiers::RoomId;
+use ruma_identifiers::{RoomId, UserId};
 use serde::{Deserialize, Serialize};
 
 use crate::r0::{filter::FilterDefinition, keys::KeyAlgorithm};