diff --git a/docs/spec/api.md b/docs/spec/api.md
index 74ac8e24f00..efa55cfcf7d 100644
--- a/docs/spec/api.md
+++ b/docs/spec/api.md
@@ -795,7 +795,7 @@ Note that the upload url will not be available forever. If the upload uuid is
 unknown to the registry, a `404 Not Found` response will be returned and the
 client must restart the upload process.
 
-### Deleting a Layer
+#### Deleting a Layer
 
 A layer may be deleted from the registry via its `name` and `digest`. A
 delete may be issued with the following request format:
diff --git a/docs/spec/api.md.tmpl b/docs/spec/api.md.tmpl
index 406eda5befa..cf7f9297194 100644
--- a/docs/spec/api.md.tmpl
+++ b/docs/spec/api.md.tmpl
@@ -795,7 +795,7 @@ Note that the upload url will not be available forever. If the upload uuid is
 unknown to the registry, a `404 Not Found` response will be returned and the
 client must restart the upload process.
 
-### Deleting a Layer
+#### Deleting a Layer
 
 A layer may be deleted from the registry via its `name` and `digest`. A
 delete may be issued with the following request format: