anchor.diff:  
   [NOTE]
   ====
  -The database tag _aws:cloudformation:aws:cloudformation:stack-name_ is a default tag that is created if the
  +The database tag `aws:cloudformation:aws:cloudformation:stack-name` is a default tag that is created if the
   database is configured using CloudFormation.
   ====
   
  
positive.code: 
  To retrieve the instance tags, Spring Cloud AWS has to make authenticated requests and therefore it will need the region
  and security configuration before actually resolving the placeholder. Also because the instance tags are not available while starting
   the application context, they can be only referenced as expression and not with placeholders. The _context-instance-placeholder_
   element defines an attribute _user-tags-map_ that will create a map in the application context for the name. This map
   can then be queried using expression for other bean definitions.
  
  [source,xml,indent=0]
  
negative.code: }
  ----
  
  It is possible to qualify the data source injection point with an `@Qualifier` annotation to allow multiple data source
  configurations inside one application context and still use auto-wiring.
  
  ==== Datasource pool configuration
  