Fix markdown code block langs
@@ -59,7 +59,7 @@ Run `./tool --help` to see usage info. Examples:
### Interactive terminal UI
-```sh
+```
Usage: orca [options] [file]
General options:
@@ -93,7 +93,7 @@ OSC/MIDI options:
Additional options are available if `orca` is built with `--portmidi`:
-```sh
+```
--portmidi-list-devices
List the MIDI output devices available through PortMIDI,
along with each associated device ID number, and then exit.
