diff --git a/app-container/SPEC.md b/app-container/SPEC.md
index 44c9497..aa3bcd9 100644
--- a/app-container/SPEC.md
+++ b/app-container/SPEC.md
@@ -309,7 +309,7 @@ This gives a cryptographically verifiable identity to the container based on its
 Accessible at `http://169.254.169.254/acMetadata/v1/container/hmac`
 
 | Entry | Description |
-|---------------------|
+|-------|-------------|
 |sign   | POST any object to this endpoint and retrieve a base64 hmac-sha256 signature as the response body. The metadata service holds onto the AES key as a sort of container TPM.|
 |verify | Verify a signature from another container. POST a form with signature=<base64 encoded signature> and uid=<uid of the container that generated the signature>. Returns 200 OK if the signature passes. |