diff --git a/README.md b/README.md
index d257bc1..999a53b 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ ScreenManager.Close();
 
 The screen fades out when hiding.
 ```cs
-ScreenManager.Close(onScreenClosed: null, hideAnimation: ScreenAnimation.FadeHide);
+ScreenManager.Close(hideAnimation: ScreenAnimation.FadeHide);
 ```
 
 <h4>2.3. Custom Screen Animations: </h4>
@@ -183,6 +183,14 @@ ScreenManager.Add<Screen1Controller>(screenName: "Screen1", animationObjectName:
   <img width="500px" src="/learn/unity/ss/advance/custom-animation-object.png?raw=true" alt="Demo">
 </p>
 
+<h4>2.5. Screen Animation Speed </h4>
+
+In default, Screen Animation Speed is 1. You can change it.
+
+```cs
+ScreenManager.Set(screenAnimationSpeed: 1.5f);
+```
+
 <h3>3. Events</h3>
 
 <h4>3.1. On Screen Loaded </h4>
@@ -523,4 +531,4 @@ This software is released under the MIT License.
 You are free to use it within the scope of the license.  
 However, the following copyright and license notices are required for use.
 
-https://github.com/AnhPham/Simple-Screen-Manager-for-Unity-aka-SS?tab=MIT-1-ov-file
+https://github.com/AnhPham/Simple-Screen-Manager-for-Unity-aka-SS?tab=MIT-1-ov-file
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