diff --git a/README.md b/README.md
index 52d6c23..7823cef 100644
--- a/README.md
+++ b/README.md
@@ -385,6 +385,9 @@ A transition that dissolves the view into many small particles.
 
 The transition is only performed on removal.
 
+> **Note:**
+> This transition will use an ease-out animation with a duration of 900ms by default.
+
 ```swift
 static var vanish: AnyTransition
 ```
@@ -393,6 +396,9 @@ A transition that dissolves the view into many small particles.
 
 The transition is only performed on removal.
 
+> **Note:**
+> This transition will use an ease-out animation with a duration of 900ms by default.
+
 - Parameter `style`: The style to use for the particles.
 
 ```swift