diff --git a/lib/src/omemo/device.dart b/lib/src/omemo/device.dart
index c98619b..df3000d 100644
--- a/lib/src/omemo/device.dart
+++ b/lib/src/omemo/device.dart
@@ -135,6 +135,7 @@ class Device {
     );
   }
 
+  /// Converts this device into an OmemoBundle that could be used for publishing.
   Future<OmemoBundle> toBundle() async {
     final encodedOpks = <int, String>{};