docs: name the relief profile keys by their wall/edge spelling

cce-ui spells the relief's two shapes as nodes now
(style.surface.relief.wall.profile / edge.profile); the test's doc
comment named the flat spellings.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

 src/main.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 262dc9f..a5b9ed7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -795,8 +795,8 @@ mod tests {
         state.close_plate_menu();
     }
 
-    /// DE chrome is config-owned (`style.surface.relief.profile` /
-    /// `.edge_profile` / `style.surface.param.color`), and a project file
+    /// DE chrome is config-owned (`style.surface.relief.wall.profile` /
+    /// `.edge.profile` / `style.surface.param.color`), and a project file
     /// must not outrank the user's config.kdl. It did while the Main utility
     /// node carried a Style section; the retirement of that whole node tree
     /// is what closes it for good, so what is asserted now is that a save