diff --git a/docs/spec.md b/docs/spec.md
index fea0767..be58663 100644
--- a/docs/spec.md
+++ b/docs/spec.md
@@ -89,4 +89,8 @@ All servers **MUST** adhere to the security guidelines outlined in the [API Secu
 
 ---
 
+## Appendix
+
 > [This document is dedicated to all citizens of planet Earth. You deserve freedom of communication; we hope we have contributed in some part, however small, towards that goal and right.](https://w3c.github.io/activitypub/#acknowledgements)
+
+Signed by the maintainers.