Fix typo in bayesml.normal.html

Author: yuta-nakahara

docs/bayesml.normal.html

@@ -315,7 +315,7 @@ <h1>bayesml.normal package<a class="headerlink" href="#bayesml-normal-package" t
 m_n &amp;= \frac{\kappa_0 m_0 + n \bar{x}}{\kappa_0 + n}, \\
 \kappa_n &amp;= \kappa_0 + n, \\
 \alpha_n &amp;= \alpha_0 + \frac{n}{2}, \\
-\beta_n &amp;=  \beta_0 + \frac{1}{2} \left( \sum_{i=1}^n (x_i - \bar{x})^2 + \frac{\kappa_0 n}{\kappa_n + n} (\bar{x} - m_0)^2 \right).\end{split}\]</div>
+\beta_n &amp;=  \beta_0 + \frac{1}{2} \left( \sum_{i=1}^n (x_i - \bar{x})^2 + \frac{\kappa_0 n}{\kappa_0 + n} (\bar{x} - m_0)^2 \right).\end{split}\]</div>
 <p>The predictive distribution is as follows:</p>
 <ul class="simple">
 <li><p><span class="math notranslate nohighlight">\(x_{n+1} \in \mathbb{R}\)</span>: a new data point</p></li>
@@ -946,4 +946,4 @@ <h1>bayesml.normal package<a class="headerlink" href="#bayesml-normal-package" t
   <script src="_static/js/index.be7d3bbb2ef33a8344ce.js"></script>
 
   </body>
-</html>
+</html>