Update README

Fix readme syntax for the regex example

Author: sany2k8

README.md

@@ -379,7 +379,7 @@ lowercase character `f`, followed by lowercase character `a`, followed by a `t`
 [Test the regular expression](https://regex101.com/r/y4Au4D/8)
 
 <pre>
-"\bfat" => The <a href="#learn-regex"><strong>fat</strong></a> cat. sat. on the mat with the <a href="#learn-regex"><strong>fat</strong>ty cat.
+"\bfat" => The <a href="#learn-regex"><strong>fat</strong></a> cat. sat. on the mat with the<a href="#learn-regex<strong>fat</strong></a>ty cat.
 </pre>
 
 [Test the regular expression](https://regex101.com/r/OXYjxn/1)