update header description

Author: florykhan

src/pages/index.html

@@ -28,7 +28,7 @@
     <section id="hero" class="hero" aria-label="Welcome">
       <div class="hero-content">
         <h1 class="hero-name">Ilian Khankhalaev</h1>
-        <p class="hero-subtitle">CS Student · Software &amp; ML &amp; Data</p>
+        <p class="hero-subtitle">CS &amp; Math Student · Data, ML, Software</p>
       </div>
       <button type="button" class="scroll-arrow" aria-label="Scroll to content" title="Scroll to content">
         <span class="scroll-arrow-icon" aria-hidden="true"></span>