Fix broken Markdown headings (#689)

bryant1410 · eltonmesquita · commit 01d30f5ab600 · 2017-07-09T13:29:16.000-03:00
diff --git a/README.md b/README.md
@@ -119,7 +119,7 @@ Full example:
 
 [Check out all the animations here!](https://daneden.github.io/animate.css/)
 
-##Usage
+## Usage
 To use animate.css in your website, simply drop the stylesheet into your document's `<head>`, and add the class `animated` to an element, along with any of the animation names. That's it! You've got a CSS animated element. Super!
 
 ```html
