Source https://github.com/percona/percona-toolkit/pull/84
Adapted to current version
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -1,7 +1,7 @@
 use ExtUtils::MakeMaker;

 WriteMakefile(
-    NAME      => 'percona-toolkit',
+    NAME      => 'Percona::Toolkit',
     VERSION   => '2.2.20',
     EXE_FILES => [ <bin/*> ],
     MAN1PODS  => {