Improvements

Author: bitsmuggler

README.adoc

@@ -27,7 +27,10 @@ For more tech inspiration take a look at the https://www.workingsoftware.dev/doc
 
 == Prerequisites
 
-If you don't plan to use the https://github.com/npryce/adr-tools[adr-tools], you can skip this step.
+[IMPORTANT]
+====
+If you don't plan to use the https://github.com/npryce/adr-tools[adr-tools], you can skip this step. Please make sure that Chapter 09 Architecture Decisions does not contain any references to the ADRs.
+====
 
 === Migrate markdown based ADRs from adr-tools to AsciiDoc