diff --git a/AGENTS.md b/AGENTS.md
index 7538b88e658..3f32755ccd9 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -13,6 +13,8 @@ simulation and Python tooling.
   bodies.
 - **Style:** run `make format` on changed C/C++ before committing; CI
   enforces `make check_format`.
+- **Docs:** edit only `docs/en`. `docs/ko`, `docs/zh` and `docs/uk` are
+  Crowdin output regenerated from it; revert any change a sweep makes there.
 - **Scoped guidance:** before editing or reviewing, read only the
   `.github/instructions/*.instructions.md` files whose `applyTo` patterns
   match the affected paths, plus any nested `AGENTS.md` along those paths.