Fix grammar issue

docs/index.html

@@ -52,7 +52,7 @@ <h2 class="title">A 1x Engineer...</h2>
           <li>Doesn't act surprised when someone doesn’t know something.</li>
           <li>Is willing and able to collaborate with others.</li>
           <li>Publicly celebrates others for their wins.</li>
-          <li>Ask questions before providing critical feedback.</li>
+          <li>Asks questions before providing critical feedback.</li>
           <li>Gives tough feedback privately.</li>
           <li>Treats others how <em>they</em> would like to be treated.</li>
           <li>Provides code reviews and feedback to their peers that are constructive, helpful, and presented tactfully, helping their peers to grow personally and professionally.</li>