diff --git a/docs/lectures.html b/docs/lectures.html
index 4698b0a..e388325 100644
--- a/docs/lectures.html
+++ b/docs/lectures.html
@@ -284,7 +284,7 @@ <h1>Lecture Notes</h1>
 <tr class="odd">
 <td style="text-align: center;">3/5</td>
 <td style="text-align: left;">Lexing and Parsing</td>
-<td style="text-align: left;"><a href="lectures/06-parsing.html">html</a></td>
+<td style="text-align: left;"><a href="lectures/06-parsing.html">html</a> <a href="https://github.com/ucsd-cse130/wi24/tree/main/static/arith">code</a></td>
 </tr>
 <tr class="even">
 <td style="text-align: center;">3/12</td>
diff --git a/docs/static/code/cse130-code.cabal b/docs/static/code/cse130-code.cabal
index 058f406..2042b8d 100644
--- a/docs/static/code/cse130-code.cabal
+++ b/docs/static/code/cse130-code.cabal
@@ -25,6 +25,7 @@ library
       Lec_2_13_24
       Lec_2_20_24
       Lec_2_27_24
+      Lec_3_12_24
 
   hs-source-dirs:
       src
diff --git a/lectures.md b/lectures.md
index b6eb4e4..ee6ee88 100644
--- a/lectures.md
+++ b/lectures.md
@@ -12,13 +12,13 @@ The live-edited code for each lecture can be found [here][code].
 | 1/25       | A crash course in Haskell  | [html][lec2] [pdf][pdf2]  |
 | 1/30       | **Midterm I**              |                           | 
 | 2/6        | Datatypes & Recursion      | [html][lec3] [pdf][pdf3]  |
-| 2/15       | Higher Order Functions     | [html][lec4] [pdf][pdf4]  |
-| 2/22       | **Midterm II**             |                           | 
-| 2/27       | Environments & Closures    | [html][lec5] [pdf][pdf5]  |
-| 3/5        | Lexing and Parsing         | [html][lec6]              |
-| 3/12       | Type Classes & Functors    | [html][lec7] [html][lec8] |
-| 3/14       | Monads & Hello, world!     | [html][lec9]              |
-| 3/19       | **Final**                  |                           |
+| 2/15       | Higher Order Functions     | [html][lec4] [pdf][pdf4]   |
+| 2/22       | **Midterm II**             |                            | 
+| 2/27       | Environments & Closures    | [html][lec5] [pdf][pdf5]   |
+| 3/5        | Lexing and Parsing         | [html][lec6] [code][arith] |
+| 3/12       | Type Classes & Functors    | [html][lec7] [html][lec8]  |
+| 3/14       | Monads & Hello, world!     | [html][lec9]               |
+| 3/19       | **Final**                  |                            |
 
 
 <!--
@@ -71,7 +71,7 @@ The live-edited code for each lecture can be found [here][code].
 [pdf8]: /static/raw/08-monads.pdf
 
 [code]: https://github.com/ucsd-cse130/wi24/tree/master/static/code/src
-[arith]: https://github.com/ucsd-cse130/wi21/tree/master/static/arith
+[arith]: https://github.com/ucsd-cse130/wi24/tree/main/static/arith
 
 [lc-1-12]: /static/raw/lec_1_12_21.lc
 
diff --git a/static/code/cse130-code.cabal b/static/code/cse130-code.cabal
index 058f406..2042b8d 100644
--- a/static/code/cse130-code.cabal
+++ b/static/code/cse130-code.cabal
@@ -25,6 +25,7 @@ library
       Lec_2_13_24
       Lec_2_20_24
       Lec_2_27_24
+      Lec_3_12_24
 
   hs-source-dirs:
       src