Merge branch 'master' of https://github.com/reactjs/reactjs.org into sync-255497f1

Author: reactjs-translation-bot

content/community/podcasts.md

@@ -16,7 +16,7 @@ Podcasts dedicated to React and individual podcast episodes with React discussio
 
 - [React 30](https://react30.com/) - A 30-minute podcast all about React (moved to [The React Podcast](https://reactpodcast.simplecast.fm/)).
 
-- [React Native Radio](https://devchat.tv/react-native-radio)
+- [React Native Radio](https://reactnativeradio.com) - Exploring React Native Together, hosted by [Infinite Red](https://infinite.red)
 
 - [React Wednesdays](https://www.telerik.com/react-wednesdays) - Weekly live streams with the best and brightest in the React world
 

content/docs/faq-ajax.md

@@ -72,7 +72,7 @@ class MyComponent extends React.Component {
       return (
         <ul>
           {items.map(item => (
-            <li key={item.name}>
+            <li key={item.id}>
               {item.name} {item.price}
             </li>
           ))}
@@ -120,7 +120,7 @@ function MyComponent() {
     return (
       <ul>
         {items.map(item => (
-          <li key={item.name}>
+          <li key={item.id}>
             {item.name} {item.price}
           </li>
         ))}