Edit docs

Author: jxnblk

packages/docs/src/pages/design-graph.mdx

@@ -17,7 +17,8 @@ The Design Graph is composed of the following nodes:
 - **Themes** are collections of *scales* (and possibly *variants*) that encapsulate a particular visual design language.
   Ideally, themes follow a common interface (or schema) and can be swapped out in different implementations.
 
-The Design Graph provides a way to think and talk about the styles in Theme UI, and the [Theme Specification][] is the interface.
+The Design Graph provides a way to think and talk about the styles in Theme UI,
+and the [Theme Specification][] is the primary interface for theme objects.
 
 To read more about the Design Graph, see the original [blog post][].