add ability to delete Elines in Metronet GUI

Change-Id: I7cdcfb78417bed445e10384b65e0117cc5961d1a
diff --git a/xos/gui/src/app/components/mngMap.component.html b/xos/gui/src/app/components/mngMap.component.html
index e41422f..f809526 100644
--- a/xos/gui/src/app/components/mngMap.component.html
+++ b/xos/gui/src/app/components/mngMap.component.html
@@ -55,7 +55,7 @@
       </ng-map>
 
     </div>
-
+    Changes may not display until page refresh.
   </div>
 </div>
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