NO ISSUE: Query without Index note (#326)

(No backport)

Author: simon-dew

modules/learn/pages/services-and-indexes/indexes/query-without-index.adoc

@@ -8,6 +8,9 @@
 [abstract]
 {description}
 
+NOTE: Query without Indexes is not available by default for paid service plans.
+For details, see <<manage-sequential-scans>>.
+
 .Examples on this Page
 ****
 The examples in this topic use the travel-sample dataset which is supplied with Couchbase Capella.
@@ -283,6 +286,7 @@ The period after `phaseCounts` is a separator between nested property names, whe
 The query returns details of completed requests using a sequential scan, if any are logged.
 ====
 
+[#manage-sequential-scans]
 == Manage Sequential Scans
 
 For a xref:billing:billing.adoc#free-tier-plan[free operational cluster], sequential scan is available in the Query tab, and via cluster access credentials in the SDKs or Couchbase Shell.