From e8a3e8ecd90b4b04135d1467f4bd81aa1006061c Mon Sep 17 00:00:00 2001
From: Mark Keller <7525285+keller-mark@users.noreply.github.com>
Date: Wed, 30 Jul 2025 18:18:30 -0400
Subject: [PATCH] Update design_doc.md

---
 docs/design_doc.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/design_doc.md b/docs/design_doc.md
index a46d41f81..c52eaf1ed 100644
--- a/docs/design_doc.md
+++ b/docs/design_doc.md
@@ -307,7 +307,7 @@ Since elements are allowed to have only (a subset of the) c, x, y, z axes and mu
 
 In details:
 
-- we don't need to specify the intrinsic coordinate systems, these are inferred from the element schema
+- we don't need to specify the intrinsic coordinate systems, these are inferred from the element schema (e.g., for an `axes` array with two axes named "y" and "x", the intrinsic coordinate system would be named "yx")
 - each element MAY have a transformation mapping them to one or more extrinsic coordinate systems
 
 Each coordinate system