diff --git a/draft-ietf-httpbis-h2-websockets.md b/draft-ietf-httpbis-h2-websockets.md
index cb4e8a503..bd9d92479 100644
--- a/draft-ietf-httpbis-h2-websockets.md
+++ b/draft-ietf-httpbis-h2-websockets.md
@@ -241,8 +241,10 @@ Initial Value: 0
 
 Specification: This document
 
-# Acknowledgments
+--- back
 
+# Acknowledgments
+{:numbered="false"}
 The 2017 HTTP Workshop had a very productive discussion that helped
 determine the key problem and acceptable level of solution complexity.