Updated callout link URL in README

Author: tomakehurst

README.md

@@ -12,7 +12,7 @@
 <tr>
 <td>
 <img src="https://wiremock.org/images/wiremock-cloud/wiremock_cloud_logo.png" alt="WireMock Cloud Logo" height="20" align="left">
-<strong>WireMock open source is supported by <a href="https://www.wiremock.io/cloud-overview?utm_source=github.com&utm_campaign=wiremock-README.md-banner">WireMock Cloud</a>. Please consider trying it out if your team needs advanced capabilities such as OpenAPI, dynamic state, data sources and more.</strong>
+<strong>WireMock open source is supported by <a href="https://www.wiremock.io/cloud-overview?utm_source=github.com&utm_campaign=python-wiremock-README.md-banner">WireMock Cloud</a>. Please consider trying it out if your team needs advanced capabilities such as OpenAPI, dynamic state, data sources and more.</strong>
 </td>
 </tr>
 </table>