[DOCS] Fix overlay for resolve cluster (#3670) (#3684)

(cherry picked from commit f37de4e)

Author: lcawl

output/openapi/elasticsearch-openapi.json

@@ -78,6 +78,6 @@ export class ClusterRemoteProxyInfo {
   num_proxy_sockets_connected: integer
   /** The maximum number of socket connections to the remote cluster when proxy mode is configured. */
   max_proxy_socket_connections: integer
-  /** This field presents and has value of ::es_redacted:: only when the remote cluster is configured with the API key based model. Otherwise, the field is not present. */
+  /** This field is present and has a value of `::es_redacted::` only when the remote cluster is configured with the API key based model. Otherwise, the field is not present. */
   cluster_credentials?: string
 }