diff --git a/docs/pyerrors/input/hadrons.html b/docs/pyerrors/input/hadrons.html
index 95d118ca..aaf486d2 100644
--- a/docs/pyerrors/input/hadrons.html
+++ b/docs/pyerrors/input/hadrons.html
@@ -110,7 +110,7 @@
 </span><span id="L-17"><a href="#L-17"><span class="linenos"> 17</span></a>        <span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s1">&#39;No files starting with&#39;</span><span class="p">,</span> <span class="n">filestem</span><span class="p">,</span> <span class="s1">&#39;in folder&#39;</span><span class="p">,</span> <span class="n">path</span><span class="p">)</span>
 </span><span id="L-18"><a href="#L-18"><span class="linenos"> 18</span></a>
 </span><span id="L-19"><a href="#L-19"><span class="linenos"> 19</span></a>    <span class="k">def</span> <span class="nf">get_cnfg_number</span><span class="p">(</span><span class="n">n</span><span class="p">):</span>
-</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a>        <span class="k">return</span> <span class="nb">int</span><span class="p">(</span><span class="n">n</span><span class="p">[</span><span class="nb">len</span><span class="p">(</span><span class="n">filestem</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:</span><span class="o">-</span><span class="mi">3</span><span class="p">])</span>
+</span><span id="L-20"><a href="#L-20"><span class="linenos"> 20</span></a>        <span class="k">return</span> <span class="nb">int</span><span class="p">(</span><span class="n">n</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s2">&quot;.h5&quot;</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">)[</span><span class="nb">len</span><span class="p">(</span><span class="n">filestem</span><span class="p">)</span> <span class="o">+</span> <span class="mi">1</span><span class="p">:])</span>  <span class="c1"># From python 3.9 onward the safer &#39;removesuffix&#39; method can be used.</span>
 </span><span id="L-21"><a href="#L-21"><span class="linenos"> 21</span></a>
 </span><span id="L-22"><a href="#L-22"><span class="linenos"> 22</span></a>    <span class="c1"># Sort according to configuration number</span>
 </span><span id="L-23"><a href="#L-23"><span class="linenos"> 23</span></a>    <span class="n">files</span><span class="o">.</span><span class="n">sort</span><span class="p">(</span><span class="n">key</span><span class="o">=</span><span class="n">get_cnfg_number</span><span class="p">)</span>