diff --git a/docs/lectures.html b/docs/lectures.html
index 803827f..108e1e0 100644
--- a/docs/lectures.html
+++ b/docs/lectures.html
@@ -330,7 +330,7 @@ <h1>Lecture Notes</h1>
 <tr class="even">
 <td style="text-align: center;">11/8</td>
 <td style="text-align: left;">Environments and Closures</td>
-<td style="text-align: center;"></td>
+<td style="text-align: center;"><a href="lectures/05-closure.html">html</a></td>
 </tr>
 <tr class="odd">
 <td style="text-align: center;">11/10</td>
diff --git a/docs/lectures/04-hof.html b/docs/lectures/04-hof.html
index c4eb027..14bd09b 100644
--- a/docs/lectures/04-hof.html
+++ b/docs/lectures/04-hof.html
@@ -794,6 +794,7 @@ <h2 id="quiz-1">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell">(a <span class="ot">-&gt;</span> b <span class="ot">-&gt;</span> b) <span class="ot">-&gt;</span> b <span class="ot">-&gt;</span> [a] <span class="ot">-&gt;</span> b</code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell">(b <span class="ot">-&gt;</span> a <span class="ot">-&gt;</span> b) <span class="ot">-&gt;</span> b <span class="ot">-&gt;</span> [a] <span class="ot">-&gt;</span> b</code></p>
 <p><br></p>
+<p><em>Answer:</em> D</p>
 <p><br>
 <br>
 <br>
@@ -827,6 +828,7 @@ <h2 id="quiz-2">QUIZ</h2>
 <br>
 <br></p>
 <p>Is <code class="sourceCode haskell"><span class="fu">foldr</span></code> <strong>tail recursive</strong>?</p>
+<p><em>Answer:</em> No! It calls the binary operations on the results of the recursive call</p>
 <p><br>
 <br>
 <br>
diff --git a/docs/lectures/05-closure.html b/docs/lectures/05-closure.html
index 32cecac..c661677 100644
--- a/docs/lectures/05-closure.html
+++ b/docs/lectures/05-closure.html
@@ -134,8 +134,8 @@
                 <li><a href="https://nadia-polikarpova.github.io/cse130-web/lectures.html">Lectures</a></li>
                 <li><a href="https://nadia-polikarpova.github.io/cse130-web/assignments.html">Assignments</a></li>
                 <li><a href="https://nadia-polikarpova.github.io/cse130-web/links.html">Links</a></li>                
-                <li><a href="https://canvas.ucsd.edu/courses/45541" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Canvas</a></li>
-                <li><a href="https://www.piazza.com/ucsd/spring2023/cse130/home" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Piazza</a></li>
+                <li><a href="https://canvas.ucsd.edu/courses/49365" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Canvas</a></li>
+                <li><a href="https://www.piazza.com/ucsd/fall2023/cse130/home" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Piazza</a></li>
             </ul>
         </div>
         <!-- /.navbar-collapse -->
@@ -194,8 +194,8 @@ <h1 class="font-style-inline-small-h1">Nadia Polikarpova</h1>
                               <li><a href="https://nadia-polikarpova.github.io/cse130-web/lectures.html">Lectures</a></li>
                               <li><a href="https://nadia-polikarpova.github.io/cse130-web/assignments.html">Assignments</a></li>
                               <li><a href="https://nadia-polikarpova.github.io/cse130-web/links.html">Links</a></li>
-                              <li><a href="https://canvas.ucsd.edu/courses/45541" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Canvas</a></li>
-                              <li><a href="https://www.piazza.com/ucsd/spring2023/cse130/home" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Piazza</a></li>
+                              <li><a href="https://canvas.ucsd.edu/courses/49365" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Canvas</a></li>
+                              <li><a href="https://www.piazza.com/ucsd/fall2023/cse130/home" id="roundbutton" target="_blank"><i class="fa fa-twitter"></i>Piazza</a></li>
                             </p>
                             <button type="button" class="btn btn-default" data-dismiss="modal"><i class="fa fa-times"></i>Close</button>
                         </div>
@@ -379,7 +379,6 @@ <h2 id="quiz">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dt">Binop</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dt">Binop</span> <span class="ot">-&gt;</span> <span class="dt">Expr</span> <span class="ot">-&gt;</span> <span class="dt">Value</span></code></p>
 <p><br></p>
-<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -457,7 +456,6 @@ <h2 id="quiz-1">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">1</span></code></p>
 <p><strong>(C)</strong> Runtime error</p>
 <p><br></p>
-<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -503,7 +501,6 @@ <h2 id="quiz-2">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">1</span></code></p>
 <p><strong>(C)</strong> Runtime error</p>
 <p><br></p>
-<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -674,7 +671,6 @@ <h2 id="quiz-3">QUIZ</h2>
 <p><strong>(D)</strong> Error: unbound variable <code class="sourceCode haskell">x</code></p>
 <p><strong>(E)</strong> Error: unbound variable <code class="sourceCode haskell">y</code></p>
 <p><br></p>
-<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -694,7 +690,6 @@ <h2 id="quiz-4">QUIZ</h2>
 <p><strong>(D)</strong> Error: unbound variable <code class="sourceCode haskell">x</code></p>
 <p><strong>(E)</strong> Error: unbound variable <code class="sourceCode haskell">y</code></p>
 <p><br></p>
-<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -717,7 +712,6 @@ <h2 id="quiz-5">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">2</span></code></p>
 <p><strong>(E)</strong> Error: multiple definitions of <code class="sourceCode haskell">x</code></p>
 <p><br></p>
-<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -858,7 +852,6 @@ <h2 id="quiz-6">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">10</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><br></p>
-<p><em>Answer:</em> E</p>
 <p><br>
 <br>
 <br>
@@ -939,7 +932,6 @@ <h2 id="rethinking-our-values">Rethinking our values</h2>
 <span id="cb37-6"><a href="#cb37-6" aria-hidden="true" tabindex="-1"></a><span class="kw">let</span> f <span class="ot">=</span> \x y <span class="ot">-&gt;</span> x <span class="op">+</span> y <span class="kw">in</span></span>
 <span id="cb37-7"><a href="#cb37-7" aria-hidden="true" tabindex="-1"></a>f <span class="dv">1</span></span>
 <span id="cb37-8"><a href="#cb37-8" aria-hidden="true" tabindex="-1"></a><span class="op">==&gt;</span> <span class="op">???</span></span></code></pre></div>
-<p>Conceptually, they both evaluate to a function that increments its argument</p>
 <p><br>
 <br>
 <br>
@@ -1086,7 +1078,6 @@ <h2 id="quiz-7">QUIZ</h2>
 <p><strong>(D)</strong> <code class="sourceCode haskell"><span class="dv">10</span></code></p>
 <p><strong>(E)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><br></p>
-<p><em>Answer:</em> E</p>
 <p><br>
 <br>
 <br>
@@ -1108,7 +1099,6 @@ <h2 id="quiz-8">QUIZ</h2>
 <p><strong>(B)</strong> <code class="sourceCode haskell"><span class="dv">11</span></code></p>
 <p><strong>(C)</strong> <code class="sourceCode haskell"><span class="dv">110</span></code></p>
 <p><br></p>
-<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -1232,7 +1222,6 @@ <h2 id="quiz-9">QUIZ</h2>
 <p><strong>(B)</strong> Dynamic</p>
 <p><strong>(C)</strong> Neither</p>
 <p><br></p>
-<p><em>Answer:</em> B</p>
 <p><br>
 <br>
 <br>
@@ -1439,7 +1428,6 @@ <h2 id="quiz-10">QUIZ</h2>
 <p><strong>(C)</strong> 1120</p>
 <p><strong>(D)</strong> 1111</p>
 <p><br></p>
-<p><em>Answer:</em> D</p>
 <p><br>
 <br>
 <br>
@@ -1488,7 +1476,6 @@ <h2 id="quiz-11">QUIZ</h2>
 <p><strong>(B)</strong> 11</p>
 <p><strong>(C)</strong> 12</p>
 <p><br></p>
-<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
@@ -1532,7 +1519,6 @@ <h2 id="quiz-12">QUIZ</h2>
 <p><strong>(B)</strong> Evaluation does not terminate</p>
 <p><strong>(C)</strong> Error: unbound variable <code class="sourceCode haskell">f</code></p>
 <p><br></p>
-<p><em>Answer:</em> C</p>
 <p><br>
 <br>
 <br>
diff --git a/lectures.md b/lectures.md
index bdd242c..d1c2143 100644
--- a/lectures.md
+++ b/lectures.md
@@ -24,7 +24,7 @@ Lecture schedule is subject to change!
 | 11/1       | Higher Order Functions          | [html][lec5]              |
 | 11/3       | contd.                          |                           |
 | 11/6       | **Midterm**                     |                           |
-| 11/8       | Environments and Closures       |                           |
+| 11/8       | Environments and Closures       | [html][lec6]              |
 | 11/10      | *No lecture: Veterans Day*      |                           |
 | 11/13      | contd.                          |                           |
 | 11/15      | contd.                          |                           |
diff --git a/site.hs b/site.hs
index 81aff93..df661f1 100644
--- a/site.hs
+++ b/site.hs
@@ -54,8 +54,8 @@ main = hakyll $ do
   match "lectures/01-*"    $ crunchWithCtxCustom "final" postCtx
   match "lectures/02-*"    $ crunchWithCtxCustom "final" postCtx
   match "lectures/03-*"    $ crunchWithCtxCustom "final" postCtx
-  match "lectures/04-*"    $ crunchWithCtxCustom "lecture" postCtx
-  -- match "lectures/05-*"    $ crunchWithCtxCustom "final" postCtx
+  match "lectures/04-*"    $ crunchWithCtxCustom "final" postCtx
+  match "lectures/05-*"    $ crunchWithCtxCustom "lecture" postCtx
   -- match "lectures/06-*"    $ crunchWithCtxCustom "final" postCtx
   -- match "lectures/07-*"    $ crunchWithCtxCustom "final" postCtx
   -- match "lectures/08-*"    $ crunchWithCtxCustom "final" postCtx