diff --git a/src/IceRpc.Protobuf/ProtobufFeature.cs b/src/IceRpc.Protobuf/ProtobufFeature.cs
index 6863bdf20..463e5f653 100644
--- a/src/IceRpc.Protobuf/ProtobufFeature.cs
+++ b/src/IceRpc.Protobuf/ProtobufFeature.cs
@@ -8,11 +8,12 @@ public sealed class ProtobufFeature : IProtobufFeature
/// Gets a with default values for all properties.
public static IProtobufFeature Default { get; } = new DefaultProtobufFeature();
- ///
- public int MaxMessageLength { get; init; }
+ /// Gets the maximum length of an encoded Protobuf message, in bytes.
+ /// The maximum length of a Protobuf message. Defaults to 1 MB.
+ public int MaxMessageLength { get; }
///
- public ProtobufEncodeOptions? EncodeOptions { get; init; }
+ public ProtobufEncodeOptions? EncodeOptions { get; }
/// Constructs a Protobuf feature.
/// The maximum message length. Use -1 to get the default value.