Minor copy update (#224)

index.html

@@ -70,7 +70,7 @@ <h3>Highly Useful</h3>
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                 <div class="highlight-wrapper">
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-                  <h3>Freedom Enhancing</h3>
+                  <h3>First Principles Focused</h3>
                 </div>
                 <p>
                   <span>Confidentiality is a prerequisite for useful applications.</span> <br/><br/>No business wants everyone to know what every customer pays or who their best customers are. And no one wants every financial decision to be a scarlet letter. Through supporting meaningful confidentiality features, Tari will meet users where they are, keep them safe, and enable vast new use cases.