Update content in Hero and HowItWorks components

Replit-Commit-Author: Agent

artifacts/dental-app/src/components/Hero.tsx

@@ -85,7 +85,7 @@ export function Hero() {
               <div className="flex gap-4">
                 <div className="w-8 h-8 rounded-full bg-primary/10 flex-shrink-0" />
                 <div className="bg-white p-4 rounded-2xl rounded-tl-sm shadow-sm border border-border text-sm max-w-md">
-                  Check if John Smith is eligible for a crown
+                  Check John Smith
                 </div>
               </div>
               <div className="flex gap-4 justify-end">

artifacts/dental-app/src/components/HowItWorks.tsx

@@ -5,7 +5,7 @@ export function HowItWorks() {
     {
       num: "01",
       title: "Type your task in plain English",
-      desc: '"Check if John Smith is eligible for a crown"'
+      desc: '"Check John Smith"'
     },
     {
       num: "02",