Docs: fix auto-assign
Error during translating from configmaps, the right name is autoAssign.
@@ -14,7 +14,7 @@ with free addresses. This might end up using "expensive" addresses for
services that don't require it.
To prevent this behaviour you can disable automatic allocation for a pool
-by setting the `auto-assign` flag to `false`:
+by setting the `autoAssign` flag to `false`:
```yaml
apiVersion: metallb.io/v1beta1
