Correct URL for Get a node using anchor and dataspace

Issue-ID: CPS-252

Signed-off-by: Rishi.Chail <rishi.chail@est.tech>
Change-Id: I26bf4e30f49d1b47c38826360cd046ff41081aa8
diff --git a/cps-rest/docs/api/swagger/openapi.yml b/cps-rest/docs/api/swagger/openapi.yml
index 5b9e5f4..2ead202 100755
--- a/cps-rest/docs/api/swagger/openapi.yml
+++ b/cps-rest/docs/api/swagger/openapi.yml
@@ -25,7 +25,7 @@
 paths:
 
   /v1/dataspaces:
-    $ref: 'cpsAdmin.yml#/dataspace'
+    $ref: 'cpsAdmin.yml#/dataspaces'
 
   /v1/dataspaces/{dataspace-name}:
     $ref: 'cpsAdmin.yml#/dataspaceByDataspaceName'
@@ -42,6 +42,9 @@
   /v1/dataspaces/{dataspace-name}/schema-sets/{schema-set-name}:
     $ref: 'cpsAdmin.yml#/schemaSetBySchemaSetName'
 
+  /v1/dataspaces/{dataspace-name}/anchors/{anchor-name}/node:
+    $ref: 'cpsData.yml#/nodeByDataspaceAndAnchor'
+
   /v1/dataspaces/{dataspace-name}/anchors/{anchor-name}/nodes:
     $ref: 'cpsData.yml#/nodesByDataspaceAndAnchor'