fix build status badge

Author: danielcranston

README.md

@@ -51,9 +51,10 @@ make -j
 Run the main executable with `./awing` from the `build` folder.
 
 
-[ci-badge]: https://img.shields.io/github/workflow/status/danielcranston/AWingAlliance/CMake/master
-[ci-url]: https://github.com/danielcranston/AWingAlliance/actions/workflows/cmake.yml
-
 ## Screenshots and examples
 
 <img src="./MotionStateAndControlDemo.png">
+
+
+[ci-badge]: https://img.shields.io/github/actions/workflow/status/danielcranston/AWingAlliance/cmake.yml?branch=main
+[ci-url]: https://github.com/danielcranston/AWingAlliance/actions/workflows/cmake.yml