Update index.html

Author: bioinfoguru

index.html

@@ -201,7 +201,7 @@
             <span style="font-family: Geo; color: #9c51e0; font-size: 125%;">my.bioinfo.guru</span></a>
             about coding, biology, and everything in-between. <br>
             Check out my books on <a href="https://pythonbook.bioinfo.guru">Python</a> and <a href="https://rbook.bioinfo.guru">R</a>,
-			and my data visualization <a href="https://dviz.manishdatt.com">notebooks</a>.
+			and my data visualization <a href="https://dataviz.manishdatt.com">notebooks</a>.
 
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