diff --git a/specification/targets.yaml b/specification/targets.yaml
index 6a52fd84..62799afe 100644
--- a/specification/targets.yaml
+++ b/specification/targets.yaml
@@ -33,9 +33,9 @@ targets:
     files:
       - appendices.rst
       - appendices/base64.rst
-      - appendices/threepids.rst
       - appendices/signing_json.rst
       - appendices/identifier_grammar.rst
+      - appendices/threepids.rst
       - appendices/threat_model.rst
       - appendices/test_vectors.rst
 groups:  # reusable blobs of files when prefixed with 'group:'