diff --git a/modules/rest-api/pages/rest-xdcr-adv-settings.adoc b/modules/rest-api/pages/rest-xdcr-adv-settings.adoc
index e8165e5a18..a772c2536b 100644
--- a/modules/rest-api/pages/rest-xdcr-adv-settings.adoc
+++ b/modules/rest-api/pages/rest-xdcr-adv-settings.adoc
@@ -96,7 +96,7 @@ Commands for establishing or retrieving either global settings or the settings f
 
 Failure to authenticate returns `401 Unauthorized`.
 A URI featuring an incorrect hostname or port returns a `failure to connect` message.
-An incorrect `settings_URI` returns `400 Bad Request`, and an object such as `{"errors":{"_":"requested resource not found"}}`.
+An incorrect `settings_URI` returns `404 Object Not Found`, and an object such as `{"_":"requested resource not found"}`.
 
 An attempt to set a global-only setting for a specific replication returns `400 Bad Request`, and an object indicating which submitted parameters were incorrect.
 For example, the attempted use of `POST /settings/replications/<settings_URI>` to establish values for `goGC` and `goMaxProcs` returns the following:
@@ -792,4 +792,4 @@ This setting can be established and retrieved either for an individual replicati
 
 The REST call for creating a replication and specifying parameters is described in xref:rest-api:rest-xdcr-create-replication.adoc[Creating a Replication].
 An overview of XDCR is provided in xref:learn:clusters-and-availability/xdcr-overview.adoc[Cross Data Center Replication (XDCR)].
-The subset of advanced settings that can be configured by means of Couchbase Web Console is provided at xref:xdcr-reference:xdcr-advanced-settings.adoc[XDCR Advanced Settings].
\ No newline at end of file
+The subset of advanced settings that can be configured by means of Couchbase Web Console is provided at xref:xdcr-reference:xdcr-advanced-settings.adoc[XDCR Advanced Settings].
diff --git a/modules/rest-api/pages/rest-xdcr-delete-ref.adoc b/modules/rest-api/pages/rest-xdcr-delete-ref.adoc
index e48ecfbd19..8c94b8bd80 100644
--- a/modules/rest-api/pages/rest-xdcr-delete-ref.adoc
+++ b/modules/rest-api/pages/rest-xdcr-delete-ref.adoc
@@ -39,6 +39,7 @@ An attempt to delete a reference that supports a current, ongoing replication re
 
 An improperly specified URI returns `405 Method Not Allowed`.
 Failure to authenticate returns `401 Unauthorized`.
+Attempt to delete a reference to a cluster name that doesn't exist returns `404 Object Not Found`.
 
 
 == Example
diff --git a/modules/rest-api/pages/rest-xdcr-delete-replication.adoc b/modules/rest-api/pages/rest-xdcr-delete-replication.adoc
index 4810868db0..a7cc0cfddc 100644
--- a/modules/rest-api/pages/rest-xdcr-delete-replication.adoc
+++ b/modules/rest-api/pages/rest-xdcr-delete-replication.adoc
@@ -31,7 +31,7 @@ curl -v -X DELETE -u <username>:<password>
 
 == Responses
 
-Failure to specify the `replication_id` correctly returns `400 Bad Request` and the following error message: `{"errors":{"_":"requested resource not found"}}`.
+Failure to specify the `replication_id` correctly returns `404 Object Not Found` and the following error message: `{"_":"requested resource not found"}`.
 Failure to authenticate returns `401 Unauthorized`.
 
 == Example