diff --git a/ViewPagerAndroid.android.js b/ViewPagerAndroid.android.js
index 6e5bde8d..a44cd15b 100644
--- a/ViewPagerAndroid.android.js
+++ b/ViewPagerAndroid.android.js
@@ -37,7 +37,7 @@ export type ViewPagerScrollState = $Enum<{
  *
  * It is important all children are `<View>`s and not composite components.
  * You can set style properties like `padding` or `backgroundColor` for each
- * child.
+ * child. It is also important that each child have a `key` prop.
  *
  * Example:
  *
@@ -47,10 +47,10 @@ export type ViewPagerScrollState = $Enum<{
  *     <ViewPagerAndroid
  *       style={styles.viewPager}
  *       initialPage={0}>
- *       <View style={styles.pageStyle}>
+ *       <View style={styles.pageStyle} key="1">
  *         <Text>First page</Text>
  *       </View>
- *       <View style={styles.pageStyle}>
+ *       <View style={styles.pageStyle} key="2">
  *         <Text>Second page</Text>
  *       </View>
  *     </ViewPagerAndroid>