Commit 4117fec8ef for perl

commit 4117fec8efd1a98abcb58b43ebc51c6be01466e6
Author: Sevan Janiyan <venture37@geeklan.co.uk>
Date:   Sat Oct 31 19:11:02 2026 +0000

    pod/perldtrace.pod: Use book's official page

diff --git a/pod/perldtrace.pod b/pod/perldtrace.pod
index 765f19cce5..0e30f5efac 100644
--- a/pod/perldtrace.pod
+++ b/pod/perldtrace.pod
@@ -239,7 +239,7 @@ L<https://illumos.org/books/dtrace/preface.html>

 =item DTrace: Dynamic Tracing in Oracle Solaris, Mac OS X and FreeBSD

-L<https://www.amazon.com/DTrace-Dynamic-Tracing-Solaris-FreeBSD/dp/0132091518/>
+L<https://www.brendangregg.com/dtracebook/>

 =back