Update link to book

jubilatious1_98524++

Author: coke

doc/Language/faq.rakudoc

@@ -125,7 +125,7 @@ Here are some available books, in alphabetical order:
 
 =item L<Learning to program with Raku: First Steps|https://www.amazon.com/gp/product/B07221XCVL>, by JJ Merelo
 
-=item L<Metagenomics|https://www.gitbook.com/book/kyclark/metagenomics/details>,
+=item L<Metagenomics|https://kyclark.gitbooks.io/metagenomics/content/>,
 by Ken Youens-Clark
 
 =item L<Parsing with Perl 6 Regexes and Grammars|https://smile.amazon.com/dp/1484232275/>, by Moritz Lenz