M README.md → README.md

@@ -57,21 +57,24 @@ * `DATA_DIR`: the path to the root of the cartridge and realm storage; can be absolute or relative to the `xrxs` executable, but must have the trailing `/`
 
 ## build/run
 
-`xrxs` is built/tested in a Linux environment with `plan9port` and the C standard library as the only dependencies. With minimal modifications it will probably run just as well on *BSD, WSL, and MacOS.
+`xrxs` is built/tested in a Linux environment with `plan9port` and the C standard library as the only dependencies. With minimal modifications it will probably run just as well on Plan9, *BSD, WSL, and MacOS.
 
 Running `./build.sh` from the repository root should build the `xrxs` executable.
 
 You can run a local server (for testing, split-screen games, or single-player games) with:
+
 ```
 ./xrxs -m /path/to/mountpoint
 ```
 
 or expose a service on the network (uses `9pserve` to support multiple users and gracefully handle disconnects) with:
+
 ```
 ./xrxs-srv.sh start
 ```
 
 Similarly, you can stop the service with:
+
 ```
 ./xrxs-srv.sh stop
 ```