diff --git a/docs/developing/reference/api.txt b/docs/developing/reference/api.txt
index f584a8fb..f2bd5e66 100644
--- a/docs/developing/reference/api.txt
+++ b/docs/developing/reference/api.txt
@@ -495,9 +495,15 @@ Resources
             }
         }
 
-.. http:put:: /resources/{uuid:resouce instance id}
+.. http:put:: /resources/{uuid: graph id}/{uuid:resource instance id}
 
-    updates a single resource instance
+    .. note::
+        Instead of identifying a graph by a UUID, one can also identify a graph by by a slug identifier. 
+        To get or set the slug for the graph, navigate to the root node of the :ref:`Graph Designer`. A request using a slug identifier for a graph looks like:
+        ``PUT /resources/{string: graph slug}/{uuid:resource instance id}``
+
+
+    Updates a single resource instance
 
     :query format: {"json-ld", "arches-json"}
     :query indent: number of spaces to indent json output
@@ -508,7 +514,7 @@ Resources
 
     .. code-block:: none
 
-        curl -H "Authorization: Bearer {token}" -X PUT -d {data in json-ld format} http://localhost:8000/resources/{resource instance id}
+        curl -H "Authorization: Bearer {token}" -X PUT -d {data in json-ld format} http://localhost:8000/resources/{graph id}/{resource instance id}
 
         curl -H "Authorization: Bearer zo41Q1IMgAW30xOroiCUxjv3yci8Os" -X PUT \
         -d '{