Fix Markdown -> HTML

Author: awwright

index.html

@@ -33,7 +33,7 @@ <h3>JSON Hyper-Schema</h3>
 
 <h2>Quickstart</h2>
 
-<p>The JSON document being validated or described we call the _instance_, and the document containing the description is called the _schema_.</p>
+<p>The JSON document being validated or described we call the <i>instance</i>, and the document containing the description is called the <i>schema</i>.</p>
 
 <p>The most basic schema is a blank JSON object, which constrains nothing, allows anything, and describes nothing:</p>