diff --git a/rust/README.md b/rust/README.md
index b5f38259d..84bff90d2 100644
--- a/rust/README.md
+++ b/rust/README.md
@@ -151,11 +151,11 @@ compression orchestration now run in Rust. CDict allocation/lifecycle
 machinery, private dictionary-content allocation/loading, reset policy,
 private CCtx/matchfinder/workspace operations, and codec/adaptive-policy
 callbacks remain in C. CDict initialization ordering and scalar publication,
-shared compression-begin dictionary selection, and CDict-begin parameter
-selection, initialization ordering, and source-window policy now run in Rust
-behind private-state bridges; their C callbacks and final begin/reset/attach
-operations remain. The remaining C paths must move before the rewrite is
-complete.
+shared compression-begin dictionary selection, CDict reset attach-versus-copy
+selection, and CDict-begin parameter selection, initialization ordering, and
+source-window policy now run in Rust behind private-state bridges; their C
+callbacks and final begin/reset/attach/copy operations remain. The remaining
+C paths must move before the rewrite is complete.
 Keeping that boundary explicit prevents a passing hybrid build from being
 mistaken for the final all-Rust result.