diff --git a/README.md b/README.md
index 47db945..3280ab1 100644
--- a/README.md
+++ b/README.md
@@ -1958,7 +1958,7 @@ from collections import deque
 
 Threading
 ---------
-* **CPython interpreter can only run a single thread at the time.**
+* **CPython interpreter can only run a single thread at a time.**
 * **That is why using multiple threads won't result in a faster execution, unless there is an I/O operation in the thread.**
 ```python
 from threading import Thread, RLock
diff --git a/index.html b/index.html
index 70328f7..25b5c35 100644
--- a/index.html
+++ b/index.html
@@ -1728,7 +1728,7 @@ db = connector.connect(host=<str>, user=<str>, password=<str>,
 &lt;deque&gt;.rotate(n=<span class="hljs-number">1</span>)                         <span class="hljs-comment"># Rotates elements to the right.</span>
 </code></pre>
 <div><h2 id="threading"><a href="#threading" name="threading">#</a>Threading</h2><ul>
-<li><strong>CPython interpreter can only run a single thread at the time.</strong></li>
+<li><strong>CPython interpreter can only run a single thread at a time.</strong></li>
 <li><strong>That is why using multiple threads won't result in a faster execution, unless there is an I/O operation in the thread.</strong></li>
 </ul><pre><code class="python language-python hljs"><span class="hljs-keyword">from</span> threading <span class="hljs-keyword">import</span> Thread, RLock
 </code></pre></div>