diff --git a/README.md b/README.md
index 55a0724..e5e7cd8 100644
--- a/README.md
+++ b/README.md
@@ -1361,7 +1361,7 @@ BaseException
       +-- ValueError              # When an argument is of right type but inappropriate value.
            +-- UnicodeError       # Raised when encoding/decoding strings from/to bytes fails. 
 ```
-* **Appropriate built-in exceptions for user to rise are: 'ValueError', 'TypeError' and 'RuntimeError'..**
+* **Appropriate built-in exceptions for user to rise are: 'ValueError', 'TypeError' and 'RuntimeError'.**
 
 
 Print
diff --git a/index.html b/index.html
index f6a11a5..f072cd3 100644
--- a/index.html
+++ b/index.html
@@ -1256,7 +1256,7 @@ KeyboardInterrupt
            +-- UnicodeError       <span class="hljs-comment"># Raised when encoding/decoding strings from/to bytes fails. </span>
 </code></pre>
 <ul>
-<li><strong>Appropriate built-in exceptions for user to rise are: 'ValueError', 'TypeError' and 'RuntimeError'..</strong></li>
+<li><strong>Appropriate built-in exceptions for user to rise are: 'ValueError', 'TypeError' and 'RuntimeError'.</strong></li>
 </ul>
 <h2 id="print"><a href="#print" name="print">#</a>Print</h2>
 <pre><code class="python language-python hljs">print(&lt;el_1&gt;, ..., sep=<span class="hljs-string">' '</span>, end=<span class="hljs-string">'\n'</span>, file=sys.stdout, flush=<span class="hljs-keyword">False</span>)