Index: Ringtoets/Common/src/Ringtoets.Common.Data/UpdateDataStrategies/UpdateDataStrategyBase.cs
===================================================================
diff -u -r85b53922d59e2d43ef299322b89e0de7ea085c63 -r3e253f74f13c8f30551ec1135e6719b40074de89
--- Ringtoets/Common/src/Ringtoets.Common.Data/UpdateDataStrategies/UpdateDataStrategyBase.cs	(.../UpdateDataStrategyBase.cs)	(revision 85b53922d59e2d43ef299322b89e0de7ea085c63)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/UpdateDataStrategies/UpdateDataStrategyBase.cs	(.../UpdateDataStrategyBase.cs)	(revision 3e253f74f13c8f30551ec1135e6719b40074de89)
@@ -130,7 +130,7 @@
         /// <exception cref="ArgumentException">Thrown when duplicate items are being added to the 
         /// <paramref name="targetDataCollection"/>.</exception>
         /// <exception cref="InvalidOperationException">Thrown when duplicate items are found during the 
-        /// update of the items to be updatd in the <paramref name="targetDataCollection"/>.</exception>
+        /// update of the items to be updated in the <paramref name="targetDataCollection"/>.</exception>
         private IEnumerable<IObservable> ModifyDataCollection(ObservableUniqueItemCollectionWithSourcePath<TTargetData> targetDataCollection,
                                                               IEnumerable<TTargetData> importedDataCollection,
                                                               string sourceFilePath)
@@ -141,7 +141,7 @@
             TTargetData[] objectsToBeUpdated = GetObjectsToBeUpdated(targetDataCollection, importedObjects).ToArray();
 
             var affectedObjects = new List<IObservable>();
-            if (objectsToBeAdded.Any() || objectsToBeRemoved.Any())
+            if (objectsToBeAdded.Any() || objectsToBeRemoved.Any() || objectsToBeUpdated.Any())
             {
                 affectedObjects.Add(targetDataCollection);
             }