update page

Author: nadia-polikarpova

docs/lectures.html

@@ -294,13 +294,13 @@ <h1>Lecture Notes</h1>
 </tr>
 <tr class="odd">
 <td style="text-align: center;">4/24</td>
-<td style="text-align: left;">contd.</td>
-<td style="text-align: center;"></td>
+<td style="text-align: left;">Tail Recursion</td>
+<td style="text-align: center;"><a href="lectures/03-tailrec.html">html</a></td>
 </tr>
 <tr class="even">
 <td style="text-align: center;">4/26</td>
-<td style="text-align: left;">Tail Recursion</td>
-<td style="text-align: center;"><a href="lectures/03-tailrec.html">html</a></td>
+<td style="text-align: left;">contd.</td>
+<td style="text-align: center;"></td>
 </tr>
 <tr class="odd">
 <td style="text-align: center;">4/29</td>

lectures.md

@@ -17,8 +17,8 @@ Lecture schedule is subject to change!
 | 4/17       | contd.                          |                           |
 | 4/19       | contd.                          |                           |
 | 4/22       | contd.                          |                           |
-| 4/24       | contd.                          |                           |
-| 4/26       | Tail Recursion                  | [html][lec3]              |
+| 4/24       | Tail Recursion                  | [html][lec3]              |
+| 4/26       | contd.                          |                           |
 | 4/29       | Algebraic Data Types            |                           |
 | 5/1        | contd.                          |                           |
 | 5/3        | Higher Order Functions          |                           |