docs: tiny fix

handler.go

@@ -4,7 +4,7 @@ import (
 	"context"
 )
 
-// Handler is an interface for processing Kafka messages.
+// Handler is an interface for processing Apache Kafka messages.
 type Handler interface {
 	Handle(ctx context.Context, msg Message) error
 }

router.go

@@ -33,7 +33,7 @@ func (fn RouterFunc) Handle(ctx context.Context, msg Message) error {
 // StaticRouterByTopic routes messages to handlers based on the topic.
 type StaticRouterByTopic map[string]Handler
 
-// Route resolves a [Handler] based on the message's topic.
+// Route resolves a [Handler] based on the topic of the [Message].
 func (r StaticRouterByTopic) Route(_ context.Context, msg Message) (Handler, error) {
 	h, ok := r[msg.Topic]
 	if !ok {