test: repoint retired-carrier citations at the tool ports

test/lang/opaque_decl_test.ww

@@ -11,8 +11,8 @@
 //
 // This fold (a) deliberately does NOT test bare `let x: opaque`, `size(opaque)`,
 // an `opaque` (bare) struct field, `[N]opaque`, or `[]opaque` INDEXING: those
-// are the use-restriction GUARDS of sub-fold (b) (test/wcc/961_opaque_guards.c,
-// reject rows — out of this fold-2 chunk). Every row here stays behind
+// are the use-restriction GUARDS of sub-fold (b) (test/tool/rejects_test.ww
+// opaque_guards rows — out of this fold-2 chunk). Every row here stays behind
 // indirection.
 
 package opaque_decl_test;