image alt fix

index.html

@@ -81,7 +81,7 @@
   <!-- right column -->
   <div class="w-full md:w-1/2 h-full flex flex-col justify-center items-center p-4">
     <div class="py-8 bg-slate-900 rounded-lg">
-      <img src="{{ "assets/img/intro.jpg" | relative_url }}" />
+      <img alt="Graphic by the Algorithmic Justice League. Four people of various backgrounds are depicted against a red background. Their faces are superimposed with a stylized trace of the geometric lines a computer 3D model would draw of their faces." src="{{ "assets/img/intro.jpg" | relative_url }}" />
     </div>
     <div>
       <small>