diff --git a/packages/stream_chat/lib/src/core/models/filter.dart b/packages/stream_chat/lib/src/core/models/filter.dart
index cd53c9e8..e668c417 100644
--- a/packages/stream_chat/lib/src/core/models/filter.dart
+++ b/packages/stream_chat/lib/src/core/models/filter.dart
@@ -40,7 +40,7 @@ enum FilterOperator {
   /// Matches values with the specified prefix.
   autoComplete,
 
-  /// Matches values that exist.
+  /// Matches values that exist/don't exist based on the specified boolean value.
   exists,
 
   /// Matches values that don't exist.