diff --git a/docs/API.md b/docs/API.md
index 618802073..41cc30244 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -48,7 +48,7 @@ node_modules/@types/react/index.d.ts:361
 
 #### Defined in
 
-[src/react/List.tsx:203](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L203)
+[src/react/List.tsx:199](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L199)
 
 ___
 
@@ -58,4 +58,4 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:140](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L140)
+[src/react/List.tsx:138](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L138)
diff --git a/docs/interfaces/CustomItemComponentProps.md b/docs/interfaces/CustomItemComponentProps.md
index 8b98b4ff2..4170537b9 100644
--- a/docs/interfaces/CustomItemComponentProps.md
+++ b/docs/interfaces/CustomItemComponentProps.md
@@ -1,5 +1,7 @@
 # Interface: CustomItemComponentProps
 
+Props of customized item component.
+
 ## Table of contents
 
 ### Properties
@@ -15,7 +17,7 @@
 
 #### Defined in
 
-[src/react/List.tsx:199](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L199)
+[src/react/List.tsx:195](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L195)
 
 ___
 
@@ -25,4 +27,4 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:200](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L200)
+[src/react/List.tsx:196](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L196)
diff --git a/docs/interfaces/CustomWindowComponentProps.md b/docs/interfaces/CustomWindowComponentProps.md
index f0f54d38a..04c94cf2a 100644
--- a/docs/interfaces/CustomWindowComponentProps.md
+++ b/docs/interfaces/CustomWindowComponentProps.md
@@ -1,5 +1,7 @@
 # Interface: CustomWindowComponentProps
 
+Props of customized scrollable component.
+
 ## Table of contents
 
 ### Properties
@@ -19,7 +21,7 @@
 
 #### Defined in
 
-[src/react/List.tsx:102](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L102)
+[src/react/List.tsx:100](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L100)
 
 ___
 
@@ -29,7 +31,7 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:103](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L103)
+[src/react/List.tsx:101](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L101)
 
 ___
 
@@ -39,7 +41,7 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:104](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L104)
+[src/react/List.tsx:102](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L102)
 
 ___
 
@@ -49,7 +51,7 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:105](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L105)
+[src/react/List.tsx:103](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L103)
 
 ___
 
@@ -59,7 +61,7 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:106](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L106)
+[src/react/List.tsx:104](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L104)
 
 ___
 
@@ -69,4 +71,4 @@ ___
 
 #### Defined in
 
-[src/react/List.tsx:107](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L107)
+[src/react/List.tsx:105](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L105)
diff --git a/docs/interfaces/ListHandle.md b/docs/interfaces/ListHandle.md
index 871e1d026..06fa3437b 100644
--- a/docs/interfaces/ListHandle.md
+++ b/docs/interfaces/ListHandle.md
@@ -24,7 +24,7 @@ Get current scrollTop or scrollLeft.
 
 #### Defined in
 
-[src/react/List.tsx:218](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L218)
+[src/react/List.tsx:214](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L214)
 
 ___
 
@@ -36,7 +36,7 @@ Get current scrollHeight or scrollWidth.
 
 #### Defined in
 
-[src/react/List.tsx:222](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L222)
+[src/react/List.tsx:218](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L218)
 
 ## Methods
 
@@ -58,7 +58,7 @@ Scroll to the item specified by index.
 
 #### Defined in
 
-[src/react/List.tsx:227](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L227)
+[src/react/List.tsx:223](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L223)
 
 ___
 
@@ -80,4 +80,4 @@ Scroll to the item specified by offset.
 
 #### Defined in
 
-[src/react/List.tsx:232](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L232)
+[src/react/List.tsx:228](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L228)
diff --git a/docs/interfaces/ListProps.md b/docs/interfaces/ListProps.md
index 33b687031..da2069049 100644
--- a/docs/interfaces/ListProps.md
+++ b/docs/interfaces/ListProps.md
@@ -29,7 +29,7 @@ Elements rendered by this component.
 
 #### Defined in
 
-[src/react/List.tsx:242](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L242)
+[src/react/List.tsx:238](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L238)
 
 ___
 
@@ -45,7 +45,7 @@ Item size hint for unmeasured items. It's recommended to specify this prop if it
 
 #### Defined in
 
-[src/react/List.tsx:247](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L247)
+[src/react/List.tsx:243](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L243)
 
 ___
 
@@ -61,7 +61,7 @@ Number of items to render above/below the visible bounds of the list. You can in
 
 #### Defined in
 
-[src/react/List.tsx:252](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L252)
+[src/react/List.tsx:248](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L248)
 
 ___
 
@@ -73,7 +73,7 @@ If true, rendered as a horizontally scrollable list. Otherwise rendered as a ver
 
 #### Defined in
 
-[src/react/List.tsx:256](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L256)
+[src/react/List.tsx:252](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L252)
 
 ___
 
@@ -85,7 +85,7 @@ You have to set true if you use this component under `direction: rtl` style.
 
 #### Defined in
 
-[src/react/List.tsx:260](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L260)
+[src/react/List.tsx:256](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L256)
 
 ___
 
@@ -101,7 +101,7 @@ Number of items to be the margin from the end of the scroll. See also [onEndReac
 
 #### Defined in
 
-[src/react/List.tsx:265](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L265)
+[src/react/List.tsx:261](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L261)
 
 ___
 
@@ -113,7 +113,7 @@ Inline style prop to override style of scrollable element.
 
 #### Defined in
 
-[src/react/List.tsx:269](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L269)
+[src/react/List.tsx:265](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L265)
 
 ___
 
@@ -121,7 +121,7 @@ ___
 
 • `Optional` **element**: `ForwardRefExoticComponent`<[`CustomWindowComponentProps`](CustomWindowComponentProps.md) & `RefAttributes`<`any`\>\>
 
-Customized element type for scrollable element.
+Customized element type for scrollable element. This element will get [CustomWindowComponentProps](CustomWindowComponentProps.md) as props.
 
 **`Default Value`**
 
@@ -129,7 +129,7 @@ DefaultWindow
 
 #### Defined in
 
-[src/react/List.tsx:274](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L274)
+[src/react/List.tsx:270](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L270)
 
 ___
 
@@ -137,7 +137,7 @@ ___
 
 • `Optional` **itemElement**: `CustomItemComponentOrElement`
 
-Customized element type for item element.
+Customized element type for item element. This element will get [CustomItemComponentProps](CustomItemComponentProps.md) as props.
 
 **`Default Value`**
 
@@ -145,7 +145,7 @@ Customized element type for item element.
 
 #### Defined in
 
-[src/react/List.tsx:279](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L279)
+[src/react/List.tsx:275](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L275)
 
 ___
 
@@ -165,7 +165,7 @@ Callback invoked when scrolling reached to the end. The margin from the end is s
 
 #### Defined in
 
-[src/react/List.tsx:283](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L283)
+[src/react/List.tsx:279](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L279)
 
 ___
 
@@ -181,9 +181,9 @@ Callback invoked whenever scroll offset changes.
 
 ##### Parameters
 
-| Name | Type |
-| :------ | :------ |
-| `offset` | `number` |
+| Name | Type | Description |
+| :------ | :------ | :------ |
+| `offset` | `number` | Current scrollTop or scrollLeft. |
 
 ##### Returns
 
@@ -191,7 +191,7 @@ Callback invoked whenever scroll offset changes.
 
 #### Defined in
 
-[src/react/List.tsx:287](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L287)
+[src/react/List.tsx:284](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L284)
 
 ___
 
@@ -211,4 +211,4 @@ Callback invoked when scrolling stops.
 
 #### Defined in
 
-[src/react/List.tsx:291](https://github.com/inokawa/virtua/blob/6085b71/src/react/List.tsx#L291)
+[src/react/List.tsx:288](https://github.com/inokawa/virtua/blob/e00e786/src/react/List.tsx#L288)
diff --git a/package-lock.json b/package-lock.json
index c5a9483ac..4d9a0b3f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "virtua",
-  "version": "0.1.11",
+  "version": "0.1.12",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "virtua",
-      "version": "0.1.11",
+      "version": "0.1.12",
       "license": "MIT",
       "dependencies": {
         "use-sync-external-store": "^1.2.0"
diff --git a/package.json b/package.json
index e449cc3dd..c776d03d9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "virtua",
-  "version": "0.1.11",
+  "version": "0.1.12",
   "description": "A zero-config, fast and small (3kB) virtual list component for React.",
   "main": "lib/index.js",
   "module": "lib/index.mjs",