diff --git a/Assets/UniRx.Async/CancellationTokenSourceExtensions.cs b/Assets/UniRx.Async/CancellationTokenSourceExtensions.cs
index 17618d7..96cc03b 100644
--- a/Assets/UniRx.Async/CancellationTokenSourceExtensions.cs
+++ b/Assets/UniRx.Async/CancellationTokenSourceExtensions.cs
@@ -40,7 +40,7 @@ namespace UniRx.Async
         public static void RegisterRaiseCancelOnDestroy(this CancellationTokenSource cts, GameObject gameObject)
         {
             var trigger = gameObject.GetAsyncDestroyTrigger();
-            trigger.AddCancellationTriggerOnDestory(cts);
+            trigger.AddCancellationTriggerOnDestroy(cts);
         }
     }
 }
diff --git a/Assets/UniRx.Async/Triggers/AsyncDestroyTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncDestroyTrigger.cs
index f5a6ed6..245126f 100644
--- a/Assets/UniRx.Async/Triggers/AsyncDestroyTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncDestroyTrigger.cs
@@ -13,7 +13,7 @@ namespace UniRx.Async.Triggers
         bool called = false;
         UniTaskCompletionSource promise;
         CancellationTokenSource cancellationTokenSource; // main cancellation
-        object canellationTokenSourceOrQueue;            // external from AddCancellationTriggerOnDestory
+        object canellationTokenSourceOrQueue;            // external from AddCancellationTriggerOnDestroy
 
         public CancellationToken CancellationToken
         {
@@ -63,7 +63,7 @@ namespace UniRx.Async.Triggers
         }
 
         /// <summary>Add Cancellation Triggers on destroy</summary>
-        public void AddCancellationTriggerOnDestory(CancellationTokenSource cts)
+        public void AddCancellationTriggerOnDestroy(CancellationTokenSource cts)
         {
             if (called)
             {