diff --git a/docs/users_guide/framework_basics/design_overview.md b/docs/users_guide/framework_basics/design_overview.md
index a2f8ebf3..4dec871c 100644
--- a/docs/users_guide/framework_basics/design_overview.md
+++ b/docs/users_guide/framework_basics/design_overview.md
@@ -19,7 +19,7 @@ flowchart TD
     quantity_character["Quantity character"] --- QuantitySpec
     QuantitySpec --- Reference["Quantity reference"]
     Reference --- Quantity
-    quantity_character --- Representation
+    quantity_character -.- Representation
     Representation --- Quantity
     Quantity --- QuantityPoint["Quantity point"]
     PointOrigin["Point origin"] --- QuantityPoint