shield icons in README

Author: jkowalleck

README.md

@@ -124,7 +124,7 @@ See the [LICENSE][license_file] file for the full license.
 [shield_rtfd]: https://img.shields.io/readthedocs/cyclonedx-bom-tool?logo=readthedocs&logoColor=white
 [shield_pypi-version]: https://img.shields.io/pypi/v/cyclonedx-bom?logo=Python&logoColor=white&label=PyPI "PyPI"
 [shield_docker-version]: https://img.shields.io/docker/v/cyclonedx/cyclonedx-python?logo=docker&logoColor=white&label=docker "docker"
-[shield_license]: https://img.shields.io/github/license/CycloneDX/cyclonedx-python "license"
+[shield_license]: https://img.shields.io/github/license/CycloneDX/cyclonedx-python?logo=open%20source%20initiative&logoColor=white "license"
 [shield_website]: https://img.shields.io/badge/https://-cyclonedx.org-blue.svg "homepage"
 [shield_slack]: https://img.shields.io/badge/slack-join-blue?logo=Slack&logoColor=white "slack join"
 [shield_groups]: https://img.shields.io/badge/discussion-groups.io-blue.svg "groups discussion"