try fixing a sidebar xref

chapter_01_domain_model.asciidoc

@@ -176,7 +176,7 @@ We make sure to express those rules in the business jargon (the _ubiquitous
 language_ in DDD terminology). We choose memorable identifiers for our objects
 so that the examples are easier to talk about.
 
-pass:[<a data-type="xref" href="#allocation_notes" data-xrefstyle="select:nopage">#allocation_notes</a>] shows some notes we might have taken while having a
+The sidebar named <<allocation_notes>> shows some notes we might have taken while having a
 conversation with our domain experts about allocation.
 
 [[allocation_notes]]