update

index.md

@@ -57,7 +57,7 @@ Your instructors this semester are Tejas Prabhune and Tim Xie!
         <tr>
             <td style="max-width: 30px;">4</td>
             <td>Oct 14</td>
-            <td>CNNs & Object Detection</td>
+            <td>CNNs & Object Detection (<a href="https://docs.google.com/presentation/d/1FQ-RNjrANvdVjQIY4LFaHAlm9-hNVxRftKNYj56n2K4/edit?usp=sharing">slides</a>)</td>
             <td><span class="label label-yellow"><strong>Homework 2</strong></span>
             Homework 2 (Model Zhu)
             </td>