update Apache Kafka™ to Apache Kafka® (#761)

Signed-off-by: hemahg <[email protected]>

README.md

@@ -1,6 +1,6 @@
-# Console for Apache Kafka™ on Kubernetes
+# Console for Apache Kafka® on Kubernetes
 
-This project is a web console designed to facilitate interactions with Apache Kafka™ instances on Kubernetes, leveraging the [Strimzi](https://strimzi.io) Cluster Operator.
+This project is a web console designed to facilitate interactions with Apache Kafka® instances on Kubernetes, leveraging the [Strimzi](https://strimzi.io) Cluster Operator.
 It is composed of two main parts:
 
 - a REST API backend developed with Java and [Quarkus](https://quarkus.io/)
@@ -13,8 +13,8 @@ Please refer to the [installation README](./install/README.md) file for detailed
 ## Contributing
 
 We welcome contributions of all forms. Please see the [CONTRIBUTING](./CONTRIBUTING.md) file for how to get started.
-Join us in enhancing the capabilities of this console for Apache Kafka™ on Kubernetes.
+Join us in enhancing the capabilities of this console for Apache Kafka® on Kubernetes.
 
 ## License
 
-This project is licensed under the Apache License 2.0 - see the LICENSE file for details.
+This project is licensed under the Apache License 2.0 - see the LICENSE file for details.

api/README.md

@@ -5,7 +5,7 @@
 This repository contains the Console API server to interact with [Strimzi](https://strimzi.io) Kafka instances running
 in a Kubernetes cluster.
 
-The API provides a way to manage [Apache Kafka<sup>TM</sup>](https://kafka.apache.org/) topics and consumer groups, as
+The API provides a way to manage [Apache Kafka<sup>®</sup>](https://kafka.apache.org/) topics and consumer groups, as
 well as endpoints to publish and browse messages.
 
 ## Getting Started