Linked to #11

Author: alice-i-cecile

rfcs/ui-building-blocks.md

@@ -415,6 +415,6 @@ allowing end users to query for style parameter components directly to receive t
 
    1. Widget composition.
    2. Layout.
-   3. Wiring: call-backs, message passing.
+   3. Wiring: call-backs, message passing (see #11).
 
 This RFC defines the underlying UI data structures, so should be settled first.