Update index.html

Author: scottaohara

src/radio-button/index.html

@@ -77,7 +77,7 @@ <h2>
 					<form>
 						<fieldset>
 							<legend>
-								Radio Button Restyles
+								Restyled Radio Buttons
 							</legend>
 							<div> <!-- div used for vertically stacking radio buttons -->
 								<label class="n-radio-label">
@@ -155,7 +155,7 @@ <h4>1. Visually Hidden Radios</h4>
 							The styling of the custom radio button is relayed from the state of the native form control. The <code>:checked</code>, <code>disabled</code>, and <code>:focus</code> radio button states will all be reflected in the custom style by the use of CSS sibling selectors. For example <code>input:checked ~ label:before {...}</code>
 						</p>
 
-						<h4 id="rstyled">2. Restyled Radio Elements</h4>
+						<h4 id="rstyled" tabindex=-1>2. Restyled Radio Elements</h4>
 						<details open>
 							<summary>Pattern Markup: Restyled Radio</summary>
 						<pre><code class="language-html">&lt;label class="n-radio-label">