diff --git a/README.md b/README.md
index 80935aa..ed8b3e0 100644
--- a/README.md
+++ b/README.md
@@ -2217,7 +2217,7 @@ Coroutine
 ### Helper Decorator
 * **All coroutines must first be "primed" by calling `'next(<coroutine>)'`.**
 * **Remembering to call next() is easy to forget.**
-* **Solved by wrapping coroutine functions with a following decorator:**
+* **Solved by wrapping coroutine functions with the following decorator:**
 
 ```python
 def coroutine(func):
diff --git a/index.html b/index.html
index 638ee86..fd6f7fc 100644
--- a/index.html
+++ b/index.html
@@ -1918,7 +1918,7 @@ ValueError: malformed node or string
 </ul><div><h3 id="helperdecorator">Helper Decorator</h3><ul>
 <li><strong>All coroutines must first be "primed" by calling <code class="python hljs"><span class="hljs-string">'next(&lt;coroutine&gt;)'</span></code>.</strong></li>
 <li><strong>Remembering to call next() is easy to forget.</strong></li>
-<li><strong>Solved by wrapping coroutine functions with a following decorator:</strong></li>
+<li><strong>Solved by wrapping coroutine functions with the following decorator:</strong></li>
 </ul><pre><code class="python language-python hljs"><span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">coroutine</span><span class="hljs-params">(func)</span>:</span>
     <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">out</span><span class="hljs-params">(*args, **kwargs)</span>:</span>
         cr = func(*args, **kwargs)
diff --git a/web/index_for_pdf.html b/web/index_for_pdf.html
index 54798bb..4be78e2 100644
--- a/web/index_for_pdf.html
+++ b/web/index_for_pdf.html
@@ -97,7 +97,7 @@
 <strong>open function, <a href="#open">22</a>-<a href="#file">23</a></strong><br>
 <strong>operator module, <a href="#operator">31</a></strong><br>
 <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>
+<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>partial function, <a href="#partial">12</a></strong><br>
 <strong>paths, <a href="#path">23</a>-<a href="#pathlib">24</a></strong><br>
@@ -129,7 +129,7 @@
 <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>
-<strong>struct module, <a href="#struct">28</a></strong>-<a href="#integertypesusecapitalletterforunsignedtypestandardsizesareinbrackets">29</a></strong><br>
+<strong>struct module, <a href="#struct">28</a>-<a href="#integertypesusecapitalletterforunsignedtypestandardsizesareinbrackets">29</a></strong><br>
 <strong>subprocess module, <a href="#usingsubprocess">25</a></strong><br>
 <strong>synthesizer, <a href="#synthesizer">41</a></strong><br>
 <strong>sys module, <a href="#lrucache">15</a>, <a href="#commonbuiltinexceptions">21</a>, <a href="#print">22</a>, <a href="#commandlinearguments">22</a></strong> </p>