Update image source in index.html

Author: edleon123

index.html

@@ -28,7 +28,7 @@ <h2>Welcome!</h2>
                 I'm a student using computational chemistry to study biological systems. 
                 This blog shares notes, methods, and research updates.
 
-        <img src="images/Picture1.png" alt="Methylparaben de-attaching from androgen receptor LBD-BF3 site" class="intro-image">
+        <img src="images/Picture2.png" alt="Methylparaben de-attaching from androgen receptor LBD-BF3 site" class="intro-image">
 
         <section class="posts">
             <h2>Recent Posts</h2>