minor checkpoint

README.md

 You will follow the chapter first in `Shapes` and then in `Picture`.
 
 __BUT__ you need to open these projects, NOT the ones that came with your BlueJ download. Use
-`File -> Open` to find your `dev/FirstLab-Shapes` folder. Open `Shapes` there. (and the same is
+`Project -> Open Project...` to find your `dev/FirstLab-Shapes` folder. Open `Shapes` there. (and the same is
 for `Picture`).
 
 Be sure to