remove markdown remnant & unnecessary whitespace

docs/ref-01-top-level-api.md

@@ -88,13 +88,13 @@ If the ReactElement was previously rendered into `container`, this will perform
 If the optional callback is provided, it will be executed after the component is rendered or updated.
 
 > Note:
-> 
+>
 > `React.render()` controls the contents of the container node you pass in*. Any existing DOM elements
-> inside are replaced when first called. Later calls use React’s DOM diffing algorithm for efficient 
+> inside are replaced when first called. Later calls use React’s DOM diffing algorithm for efficient
 > updates.
 >
-> \* `React.render()` does not modify the container node (only modifies the children of the container). In
+> `React.render()` does not modify the container node (only modifies the children of the container). In
-> the future, it may be possible to insert a component to an existing DOM node without overwriting 
+> the future, it may be possible to insert a component to an existing DOM node without overwriting
 > the existing children.