Update ref doc link

Author: baanders

articles/digital-twins/how-to-use-azure-digital-twins-explorer.md

@@ -302,7 +302,7 @@ To view the property values of a twin or a relationship, select the element in t
 
 :::image type="content" source="media/how-to-use-azure-digital-twins-explorer/twin-graph-panel-highlight-graph-properties.png" alt-text="Screenshot of Azure Digital Twins Explorer Twin Graph panel. The FactoryA twin is selected, and the Twin Properties panel is expanded, showing the properties of the twin." lightbox="media/how-to-use-azure-digital-twins-explorer/twin-graph-panel-highlight-graph-properties.png":::
 
-You can use this panel to directly edit writable properties. Update their values inline, and select the **Save changes** button at the top of the panel to save. When the update is saved, the screen displays a modal window showing the JSON Patch operation that was applied by the [update API](/rest/api/azure-digitaltwins/).
+You can use this panel to directly edit writable properties. Update their values inline, and select the **Save changes** button at the top of the panel to save. When the update is saved, the screen displays a modal window showing the JSON Patch operation that was applied by the [update API](/rest/api/digital-twins/dataplane/twins/digital-twins-update).
 
 :::image type="content" source="media/how-to-use-azure-digital-twins-explorer/twin-graph-panel-highlight-graph-properties-save.png" alt-text="Screenshot of Azure Digital Twins Explorer Twin Graph panel. The center of the screen displays a Path Information modal showing JSON Patch code." lightbox="media/how-to-use-azure-digital-twins-explorer/twin-graph-panel-highlight-graph-properties-save.png":::