unittests.md: Update for new-style flags.
@@ -19,7 +19,9 @@ tests on this data.
Output the intermediate representation:
- dnscontrol -debugjson foo.json print
+ dnscontrol print-ir --out foo.json --pretty
+
+NOTE: The `--pretty` flag is optional.
Here is a sample test written in `bash` using the [jq](https://stedolan.github.io/jq/) command. This fails if the number of MX records in the `stackex.com` domain is not exactly 5:
