no dash in moarpref

Author: coke

doc/Language/performance.pod6

@@ -108,7 +108,7 @@ opening in SQLite.
         limit 30;
     =end code
 
-The in-progress, next-gen profiler is L<moar-perf|https://github.com/timo/moarperf>, which
+The in-progress, next-gen profiler is L<moarperf|https://github.com/timo/moarperf>, which
 can accept .sql or SQLite files and has a bunch of new functionality compared to the original
 profiler. However, it has more dependencies than the relatively stand-alone original profiler,
 so you'll have to install some modules before using it.