diff --git a/MVMCore/MVMCore/PresentationHandling/MVMCoreViewControllerAnimatedTransitioning.h b/MVMCore/MVMCore/PresentationHandling/MVMCoreViewControllerAnimatedTransitioning.h
index c5fc952..701e6c0 100644
--- a/MVMCore/MVMCore/PresentationHandling/MVMCoreViewControllerAnimatedTransitioning.h
+++ b/MVMCore/MVMCore/PresentationHandling/MVMCoreViewControllerAnimatedTransitioning.h
@@ -12,6 +12,10 @@
 
 @required
 
+/** Property that notifies the navigation controller if the transition was cancelled.
+ *
+ * This property must be KVO compliant (i.e. in Swift add '\@objc dynamic')!
+ */
 @property (nonatomic) BOOL interactiveTransitionCanceled;
 
 @end