Provide notices about v1's disposition.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46fc72c..8cad8cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
# Changelog
+## Next
+
+Here are fragments to be discussed in the next release notes:
+
+* Retirement notice.
+
## v1.0.4
**Summary**: This is an emergency re-tag of v1.0.2 since v1.0.3 broke API
diff --git a/README.md b/README.md
index 8f6b060..fb25868 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
# Overview
+**Note:** This Go package is on the road to retirement. You can learn more
+at this blog post: https://matttproud.com/blog/posts/retiring-pbutil.html.
+
This repository provides various Protocol Buffer feature extensions for the Go
programming language (golang), namely support for record length-delimited
message streaming.
