diff --git a/packages/tab/en-US.md b/packages/tab/en-US.md
index bd7688147..e3185ee43 100644
--- a/packages/tab/en-US.md
+++ b/packages/tab/en-US.md
@@ -184,4 +184,4 @@ In swipeable mode, you can switch tabs with swipe gestrue in the content
 | click | Triggered when click tab | index：index of current tab，title: tab title |
 | change | Triggered when active tab changed | index：index of current tab，title: tab title |
 | disabled | Triggered when click disabled tab | index：index of current tab, title: tab title |
-| scroll | Triggered when tab scroll | Object: { scrollTop, isFixed } |
+| scroll | Triggered when tab scroll in sticky mode | Object: { scrollTop, isFixed } |
diff --git a/packages/tab/zh-CN.md b/packages/tab/zh-CN.md
index eff34d0e6..b03d35e31 100644
--- a/packages/tab/zh-CN.md
+++ b/packages/tab/zh-CN.md
@@ -188,4 +188,4 @@ export default {
 | click | 点击标签时触发 | index：标签索引，title：标题 |
 | change | 当前激活的标签改变时触发 | index：标签索引，title：标题 |
 | disabled | 点击被禁用的标签时触发 | index：标签索引，title：标题 |
-| scroll | 滚动时触发 | { scrollTop: 距离顶部位置, isFixed: 是否吸顶 } |
+| scroll | 滚动时触发，仅在 sticky 模式下生效 | { scrollTop: 距离顶部位置, isFixed: 是否吸顶 } |