doc: update README

Author: foosel

README.md

@@ -4,7 +4,7 @@ These are the files of the new [`camera-streamer`](https://github.com/ayufan/cam
 
 ## Requirements
 
-- `/usr/bin/camera-streamer`, e.g. installed from `camera-streamer` on [apt.octoprint.org](https://apt.octoprint.org)
+- `/usr/bin/camera-streamer`, e.g. installed from `camera-streamer-raspi` on [apt.octoprint.org](https://apt.octoprint.org)
 - `/usr/bin/libcamera-hello` as contained in `libcamera-apps-lite`
 - `/usr/bin/v4l2-ctl` as contained in `v4l-utils`