diff --git a/DynamicData/Binding/ObservableCollectionAdaptor.cs b/DynamicData/Binding/ObservableCollectionAdaptor.cs
index 52b3a909d..334051593 100644
--- a/DynamicData/Binding/ObservableCollectionAdaptor.cs
+++ b/DynamicData/Binding/ObservableCollectionAdaptor.cs
@@ -32,7 +32,7 @@ public ObservableCollectionAdaptor([NotNull] IObservableCollection<T> collection
         /// <param name="changes">The changes.</param>
         public void Adapt(IChangeSet<T> changes)
         {
-            if (changes.Count > _refreshThreshold || !_loaded)
+            if (changes.TotalChanges > _refreshThreshold || !_loaded)
             {
                 using (_collection.SuspendNotifications())
                 {
diff --git a/DynamicData/IChangeSet.cs b/DynamicData/IChangeSet.cs
index 67ad12ea8..f7beced6b 100644
--- a/DynamicData/IChangeSet.cs
+++ b/DynamicData/IChangeSet.cs
@@ -2,7 +2,7 @@
 namespace DynamicData
 {
     /// <summary>
-    /// Base interface represeting a set of changed
+    /// Base interface representing a set of changes
     /// </summary>
     public interface IChangeSet
     {