diff --git a/docs/flatlist.md b/docs/flatlist.md
index 0398e1181c3..c817f303947 100644
--- a/docs/flatlist.md
+++ b/docs/flatlist.md
@@ -181,7 +181,12 @@ Inherits [ScrollView Props](scrollview.md#props), unless it is nested in another
 ### <div class="label required basic">Required</div> **`renderItem`**
 
 ```jsx
-renderItem({ item, index, separators });
+renderItem({
+  item,
+  index,
+  separators,
+  accessibilityCollectionItem
+});
 ```
 
 Takes an item from `data` and renders it into the list.
@@ -200,6 +205,14 @@ Provides additional metadata like `index` if you need it, as well as a more gene
   - `updateProps` (Function)
     - `select` (enum('leading', 'trailing'))
     - `newProps` (Object)
+- `accessibilityCollectionItem` (Object):
+  Used by TalkBack to announce the position of the item of a collection (row and column numbers). A collection item is contained in a collection, it starts at a given row and column in the collection, and spans one or more rows and columns. For example, a header of two related table columns starts at the first row and the first column, spans one row and two columns.
+  - itemIndex The index of the item in the collection (index of prop.data).
+  - rowIndex The row index at which the item is located.
+  - rowSpan The number of rows the item spans.
+  - columnIndex The column index at which the item is located.
+  - columnSpan The number of columns the item spans.
+  - heading Whether the item is a heading.
 
 Example usage:
 
@@ -217,13 +230,21 @@ Example usage:
     ))
   }
   data={[{ title: 'Title Text', key: 'item1' }]}
-  renderItem={({ item, index, separators }) => (
+  renderItem={({
+    item,
+    index,
+    separators,
+    accessibilityCollectionItem
+  }) => (
     <TouchableHighlight
       key={item.key}
       onPress={() => this._onPress(item)}
       onShowUnderlay={separators.highlight}
       onHideUnderlay={separators.unhighlight}>
-      <View style={{ backgroundColor: 'white' }}>
+      <View
+        style={{ backgroundColor: 'white' }}
+        importantForAccessibility="yes"
+        accessibilityCollectionItem={accessibilityCollectionItem}>
         <Text>{item.title}</Text>
       </View>
     </TouchableHighlight>
diff --git a/docs/virtualizedlist.md b/docs/virtualizedlist.md
index b1abd2c3ac0..f076b86d922 100644
--- a/docs/virtualizedlist.md
+++ b/docs/virtualizedlist.md
@@ -123,6 +123,20 @@ Determines how many items are in the data blob.
 
 ---
 
+### **`getCellsInItemCount`**
+
+```jsx
+(data: any) => number;
+```
+
+Determines how many cells are in the data blob
+
+| Type     |
+| -------- |
+| function |
+
+---
+
 ### <div class="label required basic">Required</div> **`renderItem`**
 
 ```jsx
@@ -644,3 +658,26 @@ recordInteraction();
 ```jsx
 setNativeProps((props: Object));
 ```
+
+## Type Definitions
+
+### AccessibilityCollectionItem
+
+Used by TalkBack to announce the position of the item of a collection (row and column numbers).
+Information if a node is a collection item. A collection item is contained in a collection, it starts at a given row and column in the collection, and spans one or
+more rows and columns. For example, a header of two related table columns starts at the first row and the first column, spans one row and two columns.
+
+| Type   |
+| ------ |
+| object |
+
+| <div className="wideColumn">Name</div> | Type   | Description                                                  |
+| -------------------------------------- | ------ | ------------------------------------------------------------ |
+| itemIndex                              | string | The index of the item in the collection (index of prop.data) |
+| rowIndex                               | string | The row index at which the item is located                   |
+| rowSpan                                | string | The number of rows the item spans                            |
+| columnIndex                            | string | The column index at which the item is located                |
+| columnIndex                            | string | The column index at which the item is located                |
+| columnIndex                            | string | The column index at which the item is located                |
+| columnSpan                             | string | The number of columns the item spans                         |
+| heading                                | string | Whether the item is a heading                                |