diff --git a/TODO.org b/TODO.org
index a6b687a6..6cc47b28 100644
--- a/TODO.org
+++ b/TODO.org
@@ -81,7 +81,8 @@ back after. It counts across every module a compiler process loads — each roun
 the program's module, and every expansion in a session. Rules out a counter per
 module, seeded or not.
 
-** TODO A quasiquote inside a quasiquote is refused
+** NEXT A quasiquote inside a quasiquote is refused
+Decided 2026-09-25: nest the way SBCL and Clojure both do. The desugaring counts depth, an unquote belongs to the innermost quasiquote, and =~~x= reaches out two levels — SBCL's =*backquote-depth*= in =src/code/backq.lisp=. The reader stays as it is.
 Nothing counts nesting levels — not the reader, deliberately, and not the
 desugaring. Only a macro that writes a macro wants one.