diff --git a/spine-unity/Assets/Spine/Documentation/4.3-split-component-upgrade-guide-zh.md b/spine-unity/Assets/Spine/Documentation/4.3-split-component-upgrade-guide-zh.md
index 365a3147e..c52e80633 100644
--- a/spine-unity/Assets/Spine/Documentation/4.3-split-component-upgrade-guide-zh.md
+++ b/spine-unity/Assets/Spine/Documentation/4.3-split-component-upgrade-guide-zh.md
@@ -184,6 +184,10 @@ spine-unity 4.3 运行时引入了重大架构变更: **相互独立的动画与
 | `skeletonRenderer.addNormals` | `skeletonRenderer.MeshSettings.addNormals` | 已迁移至 MeshSettings |
 | `skeletonRenderer.calculateTangents` | `skeletonRenderer.MeshSettings.calculateTangents` | 已迁移至 MeshSettings |
 
+#### 已更改的小写属性
+
+* `skeletonRenderer.maskInteraction` 改为了 `skeletonRenderer.MaskInteraction`.
+
 #### 已弃用的小写属性
 
 * 小写属性 `initialFlipX`, `initialFlipY` 和 `initialSkinName` 已被弃用并将于后续版本中移除. 请转用同名大写属性 `InitialFlipX`, `InitialFlipY` 和 `InitialSkinName`.