Tweak README.md

README.md

@@ -1,26 +1,25 @@
 # boco
 
-Turning containers into bootable VMs
+Turn container images into bootable VMs
 
 ## Example
 
+```Dockerfile
+FROM alpine:latest
+CMD ["/bin/sh"]
+```
+
 ```sh
 # Build the container
 podman build ./example/alpine -t boco-alpine
 
-# Make the container bootable. boco injects /boco/init and /boco/exec,
+# Make the container bootable. boco injects a custom init program,
 # then packs the rootfs as a qcow2 disk.
 boco build qcow2 boco-alpine
 
-# Boot the image using QEMU. The container's CMD runs automatically.
+# Boot the image using QEMU, and drop into /bin/sh.
 boco boot boco-alpine
 
-# Override the command at runtime (base64-encoded on the kernel cmdline):
-boco boot boco-alpine --cmd '/bin/sh'
-
-# Override the command at build time (baked into /boco/exec):
-boco build qcow2 boco-alpine --cmd '/bin/sh'
-
 # Cleanup
 boco image rm boco-alpine
 podman image rm boco-alpine