diff --git a/design/comptime-compiler-api.md b/design/comptime-compiler-api.md
index aafef64d..7c56d11c 100644
--- a/design/comptime-compiler-api.md
+++ b/design/comptime-compiler-api.md
@@ -4,7 +4,7 @@
 > mechanism for sx↔compiler binding that subsumes the metatype `declare`/`define`
 > primitives AND the `#compiler` struct attribute, and exposes the compiler's own
 > type-table API to comptime sx. Supersedes the bespoke `meta.sx` `TypeInfo`
-> projection (the "weld it" decision). Co-designed in conversation 2026-06-17.
+> projection (the "weld it" decision). Design locked 2026-06-17.
 
 ## Motivation