fix README

Author: Haruma-K

README.md

@@ -457,13 +457,6 @@ Next, set this cell to **Cell Prefabs** on the **Debug Sheet**.
 All that remains is to add this cell to the page.
 Please refer to [the demo scene of the custom cells](Assets/Demo/03_CustomCells/Scenes/CustomCellsDemo.unity) for the actual implementation.
 
-### Extending Built-in Cell Prefabs
-You can extend built-in cell prefabs such as LabelCell and ButtonCell by following the steps below:
-
-1. Create a Prefab Variant of the built-in Prefab and make any desired modifications.
-2. Ensure the name of this Prefab is the same as the original Prefab.
-3. Set this Prefab in the **Cell Prefabs** of the **Debug Sheet** component.
-
 ## Advanced Usage
 
 ### Use async methods instead of coroutines
@@ -586,6 +579,13 @@ debugSheet.PushPage<DebugPage>(true, pageId: "MyPageId");
 In addition, for the pages that are skipped when popping multiple pages, the lifecycle events before and after transition will not be called, only the event before destroying will be called.
 And the transition animation of the skipping pages will not be played.
 
+### Extending Built-in Cell Prefabs
+You can extend built-in cell prefabs such as LabelCell and ButtonCell by following the steps below:
+
+1. Create a Prefab Variant of the built-in Prefab and make any desired modifications.
+2. Ensure the name of this Prefab is the same as the original Prefab.
+3. Set this Prefab in the **Cell Prefabs** of the **Debug Sheet** component.
+
 ## Extension Packages
 
 ### Display the system information of Unity