Correct html error

Author: willingc

index.html

@@ -206,7 +206,7 @@ <h3>Interactive Computing Protocol</h3>
                     <div class="arcfeature" id="kernel">
                         <div class="container">
                             <div class="front3">
-                                <img src="assets/kernel.svg">
+                                <img src="assets/kernel.svg" alt="icon that looks like a terminal represents kernel">
                                 <a class="arc-button bt2">Learn more</a>
                             </div>
                             <div class="front3 flipped content-back">