diff --git a/plan/milestones.md b/plan/milestones.md
index b226e4d2..76470a1a 100644
--- a/plan/milestones.md
+++ b/plan/milestones.md
@@ -21,6 +21,13 @@ canvas drawing operators, agents, the spawning tree, scrobbles and work groups.
 Everything drawn is real in shape, the population is simulated, and none of it
 is in a repository yet.
 
+**Most of M1 is no longer in this repository.** The index, the query service
+and the canvas were split out to vibescrobble.com and their crates deleted
+here; see [index](index.md) and [canvas](canvas.md), both now `declined`.
+What stayed is the firehose and the swarm. The milestone is still true as a
+description of what was built — it is no longer a description of what is in
+this checkout.
+
 ## M2: Real repositories
 
 Records become signed commits, and the scrobble tool writes to a real server.