fix: update index.html (#225)

Correct typo

index.html

@@ -49,7 +49,7 @@ <h1>What is Tari?</h1>
                   <h3>Built for Tinkerers</h3>
                 </div>
                 <p>
-                  <span>Tari Tinkerers will be able to build never-before-seen applications using Tari building blocks.</span> <br/><br/>BBy using combinations of templates to create custom rulesets quickly and easily, tinkerers will be able to unlock a new world of business possibilities while delivering stunningly beautiful user experiences.
+                  <span>Tari Tinkerers will be able to build never-before-seen applications using Tari building blocks.</span> <br/><br/>By using combinations of templates to create custom rulesets quickly and easily, tinkerers will be able to unlock a new world of business possibilities while delivering stunningly beautiful user experiences.
                 </p>
               </div>
             </div>