Update README.md

README.md

-[![GitHub license](https://img.shields.io/github/license/EclipseFdn/openmobility.eclipse.org.svg)](https://github.com/EclipseFdn/openmobility.eclipse.org/blob/master/LICENSE)
+[![GitHub license](https://img.shields.io/github/license/EclipseFdn/openmobility.eclipse.org.svg)](https://github.com/EclipseFdn/openmobility.eclipse.org/blob/main/LICENSE)
 
 # openmobility.eclipse.org
 
@@ -61,4 +61,4 @@ Have a bug or a feature request? Please search for existing and closed issues. I
 
 ## Copyright and license
 
-Copyright 2018-2022 the [Eclipse Foundation, Inc.](https://www.eclipse.org) and the [openmobility.eclipse.org authors](https://gitlab.eclipse.org/eclipsefdn/it/websites/openmobility.eclipse.org/-/graphs/master). Code released under the [Eclipse Public License Version 2.0 (EPL-2.0)](https://gitlab.eclipse.org/eclipsefdn/it/websites/openmobility.eclipse.org/-/raw/master/README.md).
+Copyright 2018-2022 the [Eclipse Foundation, Inc.](https://www.eclipse.org) and the [openmobility.eclipse.org authors](https://gitlab.eclipse.org/eclipsefdn/it/websites/openmobility.eclipse.org/-/graphs/main). Code released under the [Eclipse Public License Version 2.0 (EPL-2.0)](https://gitlab.eclipse.org/eclipsefdn/it/websites/openmobility.eclipse.org/-/raw/main/README.md).