-This will set you up with a interactive prompt in a container, where this source folder
-is mounted as the /root/termux-packages data volume, so changes are kept in sync between
-the host and the container when trying things out before committing.
+This will setup a container (from an image created by [scripts/Dockerfile](scripts/Dockerfile))
+suitable for building packages.
+
+This source folder is mounted as the /root/termux-packages data volume, so changes are kept
+in sync between the host and the container when trying things out before committing, and built
+deb files will be available on the host in the `debs/` directory just as when building on the host.
+
+Build commands can be given to be executed in the docker container directly: