diff --git a/web/index_for_pdf.html b/web/index_for_pdf.html
index d11c79a..54798bb 100644
--- a/web/index_for_pdf.html
+++ b/web/index_for_pdf.html
@@ -35,10 +35,10 @@
 <strong>context manager, <a href="#contextmanager">17</a></strong><br>
 <strong>copy function, <a href="#copy">15</a></strong><br>
 <strong>coroutine, <a href="#coroutine">33</a></strong><br>
-<strong>counter, <a href="#counter">2</a>, <a href="#generator">4</a>, <a href="#nonlocal">12</a>, <a href="#iterator-1">17</a>, </strong><br>
+<strong>counter, <a href="#counter">2</a>, <a href="#generator">4</a>, <a href="#nonlocal">12</a>, <a href="#iterator-1">17</a></strong><br>
 <strong>curses module, <a href="#curses">34</a></strong>  </p>
 <h3 id="d">D</h3>
-<p><strong>dataclass decorator, <a href="#dataclass">15</a></strong><br>
+<p><strong>dataclasses module, <a href="#dataclass">15</a></strong><br>
 <strong>datetime module, <a href="#datetime">8</a>-<a href="#constructors">9</a></strong><br>
 <strong>decorator, <a href="#decorator">13</a></strong><br>
 <strong>deques, <a href="#deque">29</a></strong><br>
@@ -58,7 +58,7 @@
 <strong>futures, <a href="#threadpool">30</a></strong>  </p>
 <h3 id="g">G</h3>
 <p><strong>generator, <a href="#generator">4</a></strong><br>
-<strong>global keyword, <a href="#nonlocal">12</a></strong><  </p>
+<strong>global keyword, <a href="#nonlocal">12</a></strong></p>
 <h3 id="h">H</h3>
 <p><strong>hash function, <a href="#hashable">16</a></strong><br>
 <strong>hexadecimal representation, <a href="#binhex">8</a></strong>  </p>
@@ -79,13 +79,11 @@
 <strong>list comprehension, <a href="#comprehension">11</a></strong><br>
 <strong>lists, <a href="#list">1</a>-2</strong><br>
 <strong>locks, <a href="#lock">29</a></strong><br>
-<strong>logging, <a href="#logging">35</a></strong><br>
-<strong>lru_cache decorator, <a href="#lrucache">13</a></strong>  </p>
+<strong>logging, <a href="#logging">35</a></strong>  </p>
 <h3 id="m">M</h3>
 <p><strong>main function, <a href="#main">1</a>, <a href="#basicscripttemplate">41</a></strong><br>
 <strong>map function, <a href="#mapfilterreduce">11</a></strong><br>
 <strong>math module, <a href="#math">7</a></strong><br>
-<strong>matplotlib library, <a href="#plot">34</a></strong><br>
 <strong>memoryviews, <a href="#memoryview">29</a></strong><br>
 <strong>metaprograming, <a href="#metaprograming">31</a>-<a href="#metaclass">32</a></strong><br>
 <strong>metaclass attribute, <a href="#metaclassattribute">32</a></strong><br>
@@ -101,10 +99,8 @@
 <strong>OS commands, <a href="#oscommands">24</a>-<a href="#shellcommands">25</a></strong><br>
 <strong>os module, <a href="#path">23</a>, <a href="#oscommands">24</a>-<a href="#shellcommands">25</a>, </strong>  </p>
 <h3 id="p">P</h3>
-<p><strong>parameters, <a href="#arguments">10</a></strong><br>
-<strong>partial function, <a href="#partial">12</a></strong><br>
+<p><strong>partial function, <a href="#partial">12</a></strong><br>
 <strong>paths, <a href="#path">23</a>-<a href="#pathlib">24</a></strong><br>
-<strong>pathlib module, <a href="#pathlib">24</a></strong><br>
 <strong>pickle module, <a href="#pickle">25</a></strong><br>
 <strong>pillow library, <a href="#image">39</a></strong><br>
 <strong>plotting, <a href="#plot">34</a></strong><br>
@@ -129,7 +125,7 @@
 <strong>shell commands, <a href="#shellcommands">25</a></strong><br>
 <strong>sleep function, <a href="#progressbar">34</a></strong><br>
 <strong>slots attribute, <a href="#slots">15</a></strong><br>
-<strong>sortable, <a href="#sortable">16</a></strong><br>
+<strong>sort function, <a href="#list">1</a>, <a href="#sortable">16</a></strong><br>
 <strong>splat operator, <a href="#splatoperator">10</a>-<a href="#otheruses">11</a></strong><br>
 <strong>statistics module, <a href="#statistics">7</a></strong><br>
 <strong>strings, <a href="#string">5</a></strong><br>
@@ -142,9 +138,6 @@
 <strong>template function, <a href="#dynamicrequest">36</a></strong><br>
 <strong>threading module, <a href="#threading">30</a></strong><br>
 <strong>time module, <a href="#progressbar">34</a>, <a href="#stopwatch">36</a></strong><br>
-<strong>timeit module, <a href="#timingasnippet">37</a></strong><br>
-<strong>timezones, <a href="#timezone">9</a></strong><br>
-<strong>tqdm library, <a href="#progressbar">34</a></strong><br>
 <strong>tuples, <a href="#tuple">3</a></strong><br>
 <strong>type, <a href="#type">4</a>, <a href="#type-1">31</a></strong>  </p>
 <h3 id="w">W</h3>