Updating Incident Metrics Documentation

doc/operations/incident_management/incidents.md

@@ -173,9 +173,11 @@ charts in the **Metrics** tab:
 
 ![Incident Metrics tab](img/incident_metrics_tab_v13_8.png)
 
-When you upload an image, you can associate it with a URL to the original graph. Users can access the original graph by clicking the image:
+When you upload an image, you can associate the image with text or a link to the original graph.  
 
-![Metric image URL dialog](img/metric_image_url_dialog_v13_8.png)
+![Text link modal](img/incident_metrics_tab_text_link_modal_v14_9.png)
+
+If you add a link, you can access the original graph by clicking the hyperlink above the uploaded image.
 
 ### Alert details