index.html: add missing trailing slashes

index.html

@@ -20,7 +20,7 @@
 
       <h1>Get started with Bootstrap</h1>
       <div class="col-lg-8 px-0">
-        <p class="lead">You've successfully loaded up the Bootstrap npm starter project! It's loaded up with <a href="https://getbootstrap.com/docs/4.6/getting-started/introduction/">Bootstrap 4</a>, <a href="https://icons.getbootstrap.com">Bootstrap Icons</a>, and tooling for compiling our Sass and JavaScript to your needs.</p>
+        <p class="lead">You've successfully loaded up the Bootstrap npm starter project! It's loaded up with <a href="https://getbootstrap.com/docs/4.6/getting-started/introduction/">Bootstrap 4</a>, <a href="https://icons.getbootstrap.com/">Bootstrap Icons</a>, and tooling for compiling our Sass and JavaScript to your needs.</p>
         <p>If this button appears blue and the link appears purple, you've done it!</p>
       </div>
 
@@ -52,7 +52,7 @@
       <div class="row">
         <div class="col-md-6">
           <h2>Adding Bootstrap Icons</h2>
-          <p><a href="https://icons.getbootstrap.com">Bootstrap Icons</a> are included with the SVG sprite here, but there are other <a href="https://icons.getbootstrap.com/#usage">usage options</a>, too. They're styleable with text utilities and more.</p>
+          <p><a href="https://icons.getbootstrap.com/">Bootstrap Icons</a> are included with the SVG sprite here, but there are other <a href="https://icons.getbootstrap.com/#usage">usage options</a>, too. They're styleable with text utilities and more.</p>
 
           <svg class="bi text-danger" width="32" height="32">
             <use xlink:href="node_modules/bootstrap-icons/bootstrap-icons.svg#heart-fill"/>
@@ -69,9 +69,9 @@
           <h2>Guides</h2>
           <p>Read more detailed instructions and documentation on using or contributing to Bootstrap.</p>
           <ul class="icon-list">
-            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/introduction">Bootstrap quick start guide</a></li>
-            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/webpack">Bootstrap Webpack guide</a></li>
-            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/build-tools">Contributing to Bootstrap</a></li>
+            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/introduction/">Bootstrap quick start guide</a></li>
+            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/webpack/">Bootstrap Webpack guide</a></li>
+            <li><a href="https://getbootstrap.com/docs/4.6/getting-started/build-tools/">Contributing to Bootstrap</a></li>
           </ul>
         </div>
       </div>