Update 02.1-jsx-in-depth.md

docs/02.1-jsx-in-depth.md

@@ -89,7 +89,7 @@ If you want to use JSX, the [Getting Started](/react/docs/getting-started.html)
 
 ## Namespaced Components
 
-If you are building a component that have a lot of childrens, or if you are building your application with some categories of reusable components (like a `Form` category), to make more simple and easiest, you can use a *namespaced component* to avoid something like this:
+If you are building a component that has many children, or if you are building your application with some categories of reusable components (like a `Form` category), to make it simpler and easier, you can use a *namespaced component* to avoid something like this:
 
 ```javascript
 var Form = MyFormComponent;
@@ -107,7 +107,7 @@ var App = (
 );
 ```
 
-Instead of declare a bunch of variables at the top, you'll get just one component that have other components as attributes.
+Instead of declaring a bunch of variables at the top, you'll get just one component that has other components as attributes.
 
 ```javascript
 var Form = MyFormComponent;
@@ -122,7 +122,7 @@ var App = (
 );
 ```
 
-For doing this, you just need to create your *"sub-components"* as attributes of the main component:
+To do this, you just need to create your *"sub-components"* as attributes of the main component:
 
 ```javascript
 var MyFormComponent = React.createClass({ ... });