Part one: edits and grammar fixes

Author: James Mejia

_includes/sxs/02-extending/part-one.html

@@ -11,11 +11,11 @@ <h2><span>Part one</span> Customize a card with theme settings</h2>
   </p>
   <h3 class="step">View available theme settings.</h3>
   <p class="step-description">
-    Visit the <a href="https://designsystem.digital.gov/components/card/#component-settings-card">USWDS Card component settings table</a> to see a list of available settings. Settings allow you to apply a global theme to USWDS components and styles without modifying CSS. Today's we're going to give our card a light golden look.
+    Visit the <a href="https://designsystem.digital.gov/components/card/#component-settings-card">USWDS Card component settings table</a> to see a list of available settings. Settings allow you to apply styles globally without writing custom CSS. Today we're going to give our card a light golden look.
   </p>
   <h3 class="step">Customize border settings.</h3>
   <p class="step-description">
-    Let's start but updating the border to remove the border and give the card a rounder border radius.
+    Let's start with the card border. We'll remove the border and make the card rounder by increasing the border radius.
   </p>
   <p class="step-description">
     We want to give our card a border radius of 2 units. To do that we'll set the value of the border radius to <strong>lg</strong> then set the value of the large border radius to 2.
@@ -32,7 +32,7 @@ <h4 class="filename"><span class="material-icons" aria-hidden="true">description
   </div>
   <h3 class="step">Customize type settings.</h3>
   <p class="step-description">
-    Next lets update the typesetting of our header to use a <strong>sans</strong> font, increase the size ("xl"), and use a tight line height (2).
+    Next let's update the typesetting of our header to use a <strong>sans</strong> font, increase the size ("xl"), and use a tight line height (2).
   </p>
   <div class="editor">
     <h4 class="filename"><span class="material-icons" aria-hidden="true">description</span> _theme/_uswds-theme.scss</h4>
@@ -45,10 +45,10 @@ <h4 class="filename"><span class="material-icons" aria-hidden="true">description
 </pre><pre class="blur">);</pre>
   </div>
   <p class="step-description">
-    Save, wait for the Sass to compile, and reload. You'll see the the updated border and font settings shape the card component! All without having to write any custom CSS.
+    Save, wait for the Sass to compile, and reload. You'll see the updated border and font settings shape the card component! All without having to write any custom CSS.
   </p>
 
   <p class="step-description">
-    But maybe there are additional changes your team would like to make that are not available in theme settings. In the next section we'll take a look at adding custom styles.
+    But maybe there are additional changes your team would like to make that aren't available in theme settings. In the next section we'll take a look at adding custom styles.
   </p>
 </section>