diff --git a/docs/reference/operator/contract.mdx b/docs/reference/operator/contract.mdx
index e9b8c39..d86a741 100644
--- a/docs/reference/operator/contract.mdx
+++ b/docs/reference/operator/contract.mdx
@@ -48,7 +48,7 @@ A full example of a Workflow Contract looks like
| Name | Required | Default | Description |
| ---------- | -------- | ------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `name` | yes | | unique identifier of the artifact |
-| `type` | yes | |
- `STRING` values will be injected in the attestation verbatim
- `ARTIFACT` kinds will get uploaded to your OCI registry via the the built-in Content Addressable Storage proxy (CAS) and then referenced by their **content digest**
- `CONTAINER_IMAGE` kinds will get resolved and referenced by **repository digest**
- `SBOM_CYCLONEDX_JSON` or `SBOM_SPDX_JSON` will store and attach the Software Bill Of Materials (SBOM) to the attestation.
|
+| `type` | yes | | - `STRING` values will be injected in the attestation verbatim
- `ARTIFACT` kinds will get uploaded to your OCI registry via the the built-in Content Addressable Storage proxy (CAS) and then referenced by their **content digest**
- `CONTAINER_IMAGE` kinds will get resolved and referenced by **repository digest**
- `SBOM_CYCLONEDX_JSON` or `SBOM_SPDX_JSON` will store and attach the Software Bill Of Materials (SBOM) to the attestation.
- `JUNIT_XML` will validate, store and attach the JUnit XML file to the attestation.
|
| `output` | no | `false` | If set to `true` the artifact will get injected in the `subject` section of the [in-toto statement](https://github.com/slsa-framework/slsa/blob/main/docs/attestation-model.md#overview). |
| `optional` | no | `false` | if set to `true`, providing this artifact during attestation will be optional. This is **useful for soft rollouts of new requirements** |