README: Fix a typo for using cli_dev
Fix the typo for the instructions of using cli_dev to run unit tests.
@@ -108,7 +108,7 @@ Cloud Hypervisor CI infrastructure.
For example, to run the Cloud Hypervisor unit tests:
```shell
-$ ./scripts/dev_cli.sh tests --release
+$ ./scripts/dev_cli.sh tests --unit
```
Run the `./scripts/dev_cli.sh --help` command to view all the supported
