Update index.html

Signed-off-by: Xi Zhang <[email protected]>

public/index.html

@@ -35,7 +35,7 @@ <h2>About</h2>
           <section>
             <h3>What is a bobbin?</h3>
             <p>
-              When I was little, my parents were both in grad school, and I stayed with my grandparents often.
+              When I was little, both of my parents went grad school, and I stayed with my grandparents often.
               Grandma operated a foot pedal sewing machine and made clothes, curtains, and even seat
               cushions for everyone when she wasn't overseeing the county's trading company during the day!
               I found her jar of buttons one day, and she taught me how to sew.