Fix extauth logging curl cmd for OPA docs
@@ -566,7 +566,7 @@ kubectl port-forward -n gloo-system deploy/extauth 9091
Now, you can set the log level to debug with the following curl command:
```
-curl -XPUT localhost:9091/logging -d '{"level":"debug"}'
+curl -XPUT -H "Content-Type: application/json" localhost:9091/logging -d '{"level":"debug"}'
```
With debug logging enabled, the extauth server logs will now contain the OPA input, evaluation trace,
