Improve changelog entry

Signed-off-by: Ruben Vargas <[email protected]>

.chloggen/ingest_tls_openshift.yaml

@@ -14,12 +14,13 @@ issues: [963]
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 subtext: |
-  This will use the openshift service annotation to generate TLS certs, in order to use this feature TLS on the 
-  distributor should be enabled in this way:
+  On OpenShift when operator config `DistributorServingCertsService` is enabled and the following TempoStack CR is used.
+  The operator provisions OpenShift serving certificates for the distributor ingest APIs
   ```
     apiVersion: tempo.grafana.com/v1alpha1
     kind:  TempoStack
     spec:
+      template:
         distributor:
           tls:
             enabled: true