diff --git a/docs/_build/doctrees/environment.pickle b/docs/_build/doctrees/environment.pickle
index b18e4f2..b0e3335 100644
Binary files a/docs/_build/doctrees/environment.pickle and b/docs/_build/doctrees/environment.pickle differ
diff --git a/docs/_build/doctrees/julia_tutorial.doctree b/docs/_build/doctrees/julia_tutorial.doctree
index d28bea1..e95c9a8 100644
Binary files a/docs/_build/doctrees/julia_tutorial.doctree and b/docs/_build/doctrees/julia_tutorial.doctree differ
diff --git a/docs/_build/html/_sources/julia_tutorial.txt b/docs/_build/html/_sources/julia_tutorial.txt
index 8e9d1e2..2122922 100644
--- a/docs/_build/html/_sources/julia_tutorial.txt
+++ b/docs/_build/html/_sources/julia_tutorial.txt
@@ -246,7 +246,7 @@ assuming ``x`` has been populated with a value:
 Often you'll find it useful to first initialize a sum of squares expression
 to ``0`` and then add on more sum of squares expressions in a for loop.
 
-.. code-block::none
+.. code-block:: none
 
   error_term = 0
   for i in 1:3
diff --git a/docs/_build/html/julia_tutorial.html b/docs/_build/html/julia_tutorial.html
index 481250a..ab30251 100644
--- a/docs/_build/html/julia_tutorial.html
+++ b/docs/_build/html/julia_tutorial.html
@@ -257,6 +257,12 @@ <h2>Sum of Squares Expressions<a class="headerlink" href="#sum-of-squares-expres
 </div>
 <p>Often you&#8217;ll find it useful to first initialize a sum of squares expression
 to <tt class="docutils literal"><span class="pre">0</span></tt> and then add on more sum of squares expressions in a for loop.</p>
+<div class="highlight-none"><div class="highlight"><pre>error_term = 0
+for i in 1:3
+  error_term += rand() * sum_squares(A[i, :] * x + b[i])
+end
+</pre></div>
+</div>
 <p>The variance of the entries of an affine expression <tt class="docutils literal"><span class="pre">X</span></tt> can be expressed as
 <tt class="docutils literal"><span class="pre">sum_squares(mean(X)</span> <span class="pre">-</span> <span class="pre">X)</span> <span class="pre">/</span> <span class="pre">(m</span> <span class="pre">*</span> <span class="pre">n)</span></tt>, where <tt class="docutils literal"><span class="pre">m</span></tt> and <tt class="docutils literal"><span class="pre">n</span></tt> are the number of rows
 and number of columns of <tt class="docutils literal"><span class="pre">X</span></tt>, respectively. For convenience, the function <tt class="docutils literal"><span class="pre">var</span></tt>
diff --git a/docs/_build/html/searchindex.js b/docs/_build/html/searchindex.js
index 333517b..f297930 100644
--- a/docs/_build/html/searchindex.js
+++ b/docs/_build/html/searchindex.js
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diff --git a/docs/julia_tutorial.rst b/docs/julia_tutorial.rst
index 8e9d1e2..2122922 100644
--- a/docs/julia_tutorial.rst
+++ b/docs/julia_tutorial.rst
@@ -246,7 +246,7 @@ assuming ``x`` has been populated with a value:
 Often you'll find it useful to first initialize a sum of squares expression
 to ``0`` and then add on more sum of squares expressions in a for loop.
 
-.. code-block::none
+.. code-block:: none
 
   error_term = 0
   for i in 1:3