Update index.html

index.html

@@ -164,7 +164,7 @@ <h2 id="___sec1">All programs from the book </h2>
 <h2 id="___sec2">Erratalist </h2>
 
 <p>
-Here is a <a href="erratalist5th.pdf" target="_self">PDF file</a> or an <a href="erratalist4th.html" target="_self">HTML file</a> with an errata list for the
+Here is a <a href="erratalist5th.pdf" target="_self">PDF file</a> or an <a href="erratalist5th.html" target="_self">HTML file</a> with an errata list for the
 5th edition of the book. If you find any typo or error, please
 report it to <a href="mailto:hpl@simula.no" target="_self">the author</a>.