diff --git a/docs/spec/draft/attested-build-env-levels.md b/docs/spec/draft/attested-build-env-levels.md
index 89f94f8f8..bbc49b52d 100644
--- a/docs/spec/draft/attested-build-env-levels.md
+++ b/docs/spec/draft/attested-build-env-levels.md
@@ -210,6 +210,7 @@ All of [Environment L1], plus:
 <section id="environment-l3">
 
 ### Environment L3: Hardware-authenticated build environment
+
 TODO
 
 </section>