diff --git a/docs/pyerrors/fits.html b/docs/pyerrors/fits.html
index f7ef19ee..bf2a81b7 100644
--- a/docs/pyerrors/fits.html
+++ b/docs/pyerrors/fits.html
@@ -580,7 +580,7 @@
 </span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a>        <span class="k">if</span> <span class="n">condn</span> <span class="o">&gt;</span> <span class="mi">1</span> <span class="o">/</span> <span class="n">np</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">finfo</span><span class="p">(</span><span class="nb">float</span><span class="p">)</span><span class="o">.</span><span class="n">eps</span><span class="p">):</span>
 </span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a>            <span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span><span class="s2">&quot;Correlation matrix may be ill-conditioned, condition number: {</span><span class="si">%1.2e</span><span class="s2">}&quot;</span> <span class="o">%</span> <span class="p">(</span><span class="n">condn</span><span class="p">),</span> <span class="ne">RuntimeWarning</span><span class="p">)</span>
 </span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a>        <span class="n">chol</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">linalg</span><span class="o">.</span><span class="n">cholesky</span><span class="p">(</span><span class="n">corr</span><span class="p">)</span>
-</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a>        <span class="n">chol_inv</span> <span class="o">=</span> <span class="n">scipy</span><span class="o">.</span><span class="n">linalg</span><span class="o">.</span><span class="n">solve</span><span class="p">(</span><span class="n">chol</span><span class="p">,</span> <span class="n">covdiag</span><span class="p">)</span>
+</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a>        <span class="n">chol_inv</span> <span class="o">=</span> <span class="n">scipy</span><span class="o">.</span><span class="n">linalg</span><span class="o">.</span><span class="n">solve_triangular</span><span class="p">(</span><span class="n">chol</span><span class="p">,</span> <span class="n">covdiag</span><span class="p">,</span> <span class="n">lower</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 </span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a>
 </span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a>        <span class="k">def</span> <span class="nf">chisqfunc_corr</span><span class="p">(</span><span class="n">p</span><span class="p">):</span>
 </span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a>            <span class="n">model</span> <span class="o">=</span> <span class="n">func</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>