diff --git a/http-transport-binding.md b/http-transport-binding.md
index 010245867..0aa45b355 100644
--- a/http-transport-binding.md
+++ b/http-transport-binding.md
@@ -1,4 +1,4 @@
-# HTTP Transport Binding for CloudEvents
+# HTTP Transport Binding for CloudEvents - Version 0.1
 
 ## Abstract
 
@@ -363,4 +363,4 @@ Content-Length: nnnn
 [RFC7230-Section-3]: https://tools.ietf.org/html/rfc7230#section-3
 [RFC7231-Section-4]: https://tools.ietf.org/html/rfc7231#section-4
 [RFC7230-Section-5-1]: https://tools.ietf.org/html/rfc7230#section-5.1
-[RFC7540]: https://tools.ietf.org/html/rfc7540
\ No newline at end of file
+[RFC7540]: https://tools.ietf.org/html/rfc7540
diff --git a/json-format.md b/json-format.md
index c32a67dca..192dfe2ef 100644
--- a/json-format.md
+++ b/json-format.md
@@ -1,4 +1,4 @@
-# JSON Event Format for CloudEvents
+# JSON Event Format for CloudEvents - Version 0.1
 
 ## Abstract
 
@@ -207,4 +207,4 @@ a `Map` or [JSON data](#31-special-handling-of-the-data-attribute) data:
 [RFC4627]: https://tools.ietf.org/html/rfc4627
 [RFC4648]: https://tools.ietf.org/html/rfc4648
 [RFC6839]: https://tools.ietf.org/html/rfc6839#section-3.1
-[RFC8259]: https://tools.ietf.org/html/rfc8259
\ No newline at end of file
+[RFC8259]: https://tools.ietf.org/html/rfc8259
diff --git a/spec.md b/spec.md
index 070ce1508..97d72cd2b 100644
--- a/spec.md
+++ b/spec.md
@@ -1,8 +1,14 @@
 # CloudEvents - Version 0.1
 
+## Abstract
+
 CloudEvents is a vendor-neutral specification for defining the format
 of event data.
 
+## Status of this document
+
+This document is a working draft.
+
 ## Table of Contents
 - [Overview](#overview)
 - [Design Goals](#design-goals)