fix typos

Author: alexkrolick

content/docs/faq-ajax.md

@@ -8,7 +8,7 @@ category: FAQ
 
 ### How can I make an AJAX call?
 
-You can use an AJAX library you like with React. Some popular ones are [Axios](https://github.com/axios/axios), [jQuery AJAX](https://api.jquery.com/jQuery.ajax/), and the browser built-in [window.fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API).
+You can use any AJAX library you like with React. Some popular ones are [Axios](https://github.com/axios/axios), [jQuery AJAX](https://api.jquery.com/jQuery.ajax/), and the browser built-in [window.fetch](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API).
 
 ### Where in the component lifecycle should I make an AJAX call?
 

content/docs/faq-build.md

@@ -16,6 +16,6 @@ No! Check out https://reactjs.org/docs/react-without-es6.html
 
 ### How can I write comments in JSX?
 
-```
- {*/ Comment goes here */}
+```jsx
+ {/* Comment goes here */}
 ```

content/docs/faq-functions.md

@@ -89,7 +89,7 @@ Make sure you aren't _calling the function_ when you pass it to the component:
 
 ```jsx
 render() {
-  {*/ handleClick is called instead of passed as a reference! */}
+  {/* handleClick is called instead of passed as a reference! */}
   return <button onClick={this.handleClick()}>Click Me</button> 
 }
 ```