K8s: DOC-4696 fix (#1110)

* DOC-4696 fix

* updated API spec info in intro

Author: kaitlynmichael

content/operate/kubernetes/re-databases/replica-redb.md

@@ -11,19 +11,19 @@ weight: 42
 ---
 
 You can configure a replica of a database by creating an item in
-the `replicaSources` section of the [Redis Enterprise database specification](https://github.com/RedisLabs/redis-enterprise-k8s-docs/blob/master/redis_enterprise_database_api.md#redisenterprisedatabasespec). The value of
-`replicaSourceType` must be 'SECRET'; `replicaSourceName`
-must be the name of a secret that contains the replica source url.
+the [`replicaSources`](/operate/kubernetes/reference/redis_enterprise_database_api#specreplicasources) section of the RedisEnterpriseDatabase (REDB) custom resource.
 
-A secret must be created using a `stringData` section containing the replica source URI as follows:
+A secret must be created with the `stringData` section containing the replica source URI as follows:
+
+Create a secret with the replica source URI listed in the `stringData` field as follows:
 
 ```yaml
 apiVersion: v1
 kind: Secret
 metadata:
    name: my-replica-source
 stringData:
-   uri: replica-source-uri-goes-here
+   uri: <replica-source-uri-goes-here>
 ```
 
 The replica source URL can be retrieved by going to "UI > database > configuration > Press the button Get Replica of source URL"
@@ -80,7 +80,7 @@ You will need `kubectl`, `curl`, and `jq` installed for this procedure.
    ```js
    JQ='.[] | select(.name=="'
    JQ+="${SOURCE_DB}"
-   JQ+='") | ("redis://admin:" +  .authentication_admin_pass + "@"+.endpoints[0].dns_name+":"+(.endpoints[0].port|tostring))'
+   JQ+='") | ("redis://admin:" + .authentication_admin_pass + "@"+.name+":"+(.endpoints[0].port|tostring))'
    URI=`curl -sf -k -u "$CLUSTER_USER:$CLUSTER_PASSWORD" "https://localhost:9443/v1/bdbs?fields=uid,name,endpoints,authentication_admin_pass" | jq "$JQ" | sed 's/"//g'`
    ```