diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingBridge.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingBridge.java
index 840312ba12448e..0a17cd4950c932 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingBridge.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingBridge.java
@@ -24,7 +24,6 @@
 
 /**
  * A bridge that binds and unbinds transcoding methods to a {@link GrpcServer}.
- * <p>
  *
  * @see io.vertx.grpc.server.impl.GrpcServiceBridgeImpl for the default implementation.
  */
diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageDecoder.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageDecoder.java
index 81688d9e0e577a..c61dffb50ff594 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageDecoder.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageDecoder.java
@@ -10,7 +10,7 @@
  * A message decoder that uses a {@link MethodDescriptor.Marshaller} to decode the message payload.
  *
  * @param <T> The type of the message payload.
- * @see io.vertx.grpc.common.impl.GrpcMessageDecoderImpl
+ * @see io.vertx.grpc.common.impl.GrpcMessageDecoderImpl for the original implementation
  */
 public class GrpcTranscodingMessageDecoder<T> implements GrpcMessageDecoder<T> {
 
diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageEncoder.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageEncoder.java
index bda963d84ae59a..4a2e39a03aa418 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageEncoder.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMessageEncoder.java
@@ -12,7 +12,7 @@
  * A message encoder that uses a {@link MethodDescriptor.Marshaller} to encode the message payload.
  *
  * @param <T> The type of the message payload.
- * @see io.vertx.grpc.common.impl.GrpcMessageEncoderImpl
+ * @see io.vertx.grpc.common.impl.GrpcMessageEncoderImpl for the original implementation
  */
 public class GrpcTranscodingMessageEncoder<T> implements GrpcMessageEncoder<T> {
 
diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMetadata.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMetadata.java
index 031cd84a213a99..212f1b4a7fa872 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMetadata.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMetadata.java
@@ -5,6 +5,12 @@
 import io.grpc.MethodDescriptor;
 import io.quarkus.grpc.GrpcTranscodingMarshaller;
 
+/**
+ * A metadata class that holds the transcoding information for a gRPC method.
+ *
+ * @param <Req> The type of the request message.
+ * @param <Resp> The type of the response message.
+ */
 public class GrpcTranscodingMetadata<Req extends Message, Resp extends Message> {
 
     private final String httpMethodName;
diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMethod.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMethod.java
index 5ad1e3765d617b..3fbaf90a0d11ea 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMethod.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingMethod.java
@@ -1,5 +1,8 @@
 package io.quarkus.grpc.transcoding;
 
+/**
+ * A metadata class that holds the transcoding information for a gRPC method.
+ */
 public final class GrpcTranscodingMethod {
 
     private final String grpcMethodName;
diff --git a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingResponse.java b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingResponse.java
index 63044b84ec458f..abe58cee39cbcc 100644
--- a/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingResponse.java
+++ b/extensions/grpc/runtime/src/main/java/io/quarkus/grpc/transcoding/GrpcTranscodingResponse.java
@@ -31,7 +31,6 @@ public class GrpcTranscodingResponse<Req, Resp> implements GrpcServerResponse<Re
     private final GrpcTranscodingRequest<Req, Resp> request;
     private final HttpServerResponse httpResponse;
     private final GrpcMessageEncoder<Resp> encoder;
-    private String encoding;
     private GrpcStatus status = GrpcStatus.OK;
     private String statusMessage;
     private boolean headersSent;
@@ -58,8 +57,9 @@ public GrpcServerResponse<Req, Resp> statusMessage(String msg) {
         return this;
     }
 
+    // We don't need to implement this method
     public GrpcServerResponse<Req, Resp> encoding(String encoding) {
-        this.encoding = encoding;
+        // ????
         return this;
     }
 
diff --git a/integration-tests/grpc-transcoding/src/test/java/io/quarkus/grpc/examples/hello/HelloWorldNewEndpointTest.java b/integration-tests/grpc-transcoding/src/test/java/io/quarkus/grpc/examples/hello/HelloWorldNewEndpointTest.java
index 54373b22addc10..7a41d9f437c0a9 100644
--- a/integration-tests/grpc-transcoding/src/test/java/io/quarkus/grpc/examples/hello/HelloWorldNewEndpointTest.java
+++ b/integration-tests/grpc-transcoding/src/test/java/io/quarkus/grpc/examples/hello/HelloWorldNewEndpointTest.java
@@ -19,7 +19,7 @@ class HelloWorldNewEndpointTest extends HelloWorldNewEndpointTestBase {
     @Test
     public void testSimplePath() {
         given()
-                .body(getJsonRequest("simple-test")) // Customize for your service
+                .body(getJsonRequest("simple-test"))
                 .contentType(ContentType.JSON)
                 .when().post("/v1/simple")
                 .then()