diff --git a/docs/DESIGN.md b/docs/DESIGN.md
index 0d4579b..f42b0de 100644
--- a/docs/DESIGN.md
+++ b/docs/DESIGN.md
@@ -30,7 +30,7 @@ evolving in lockstep with the language:
   the LLM-facing renderings of a module. `ailang-surface` (Iter 14c)
   is the lossless Form-A printer/parser — the canonical authoring
   surface fixed by Decision 6, with a round-trip property
-  `parse ∘ print = id` gating every release. `ailang-prose` 
+  `parse ∘ print = id` gating every release. `ailang-prose`
   is the lossy Form-B projection — human-readable prose for review and
   edit, with no parser; re-integration goes through the
   LLM-mediator round-trip documented in `docs/PROSE_ROUNDTRIP.md`.