Update readme.md

readme.md

@@ -2,7 +2,7 @@
 
 hellen-one is a toolset to produce custom PCBs by merging gerber files of known proven functional modules into trivial _frame_ PCB with mostly just the main vehicle connector.
 
-* fork https://github.com/rusefi/hellen-example/ repo to get github actions and meta files
+* fork https://github.com/rusefi/hellen-example/ repo to get github actions and meta files [learn about forking](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/fork-a-repo)
 * make sure github actions are enabled/enable github actions on your fork
 * replace xxx and yyy in ``revision.txt`` with name of your board
 * create youboard.kicad_pcb from [proven modules](https://github.com/andreika-git/hellen-one/tree/master/modules) using KiCAD 6 or 7