diff --git a/docs/sprints/sprint-00-setup.md b/docs/sprints/sprint-00-setup.md
index b0ebd68..90a4559 100644
--- a/docs/sprints/sprint-00-setup.md
+++ b/docs/sprints/sprint-00-setup.md
@@ -59,6 +59,7 @@ Conventional Commits, imperative mood.
 - Task 0001 / issues #1–#2: cargo skeleton (lib/bin split, sanity test) + CI green on `main`
   via PR #13.
 ### Frustrations
-- Reading English text (docs, tool output) eats a lot of session time — agree on a fix
-  at retro (e.g. theory digests in Russian in chat, artifacts stay English).
+- Reading English text (docs, tool output) eats a lot of session time. Agreed
+  (2026-10-18): theory digests stay short and in Russian in chat; English lives only
+  in artifacts (vault notes, code, commits, CI logs).
 ### Hours logged / English notes