diff --git a/mop/lib/mop/internal/util.pm b/mop/lib/mop/internal/util.pm
index 6dfcffa..f37f1a1 100644
--- a/mop/lib/mop/internal/util.pm
+++ b/mop/lib/mop/internal/util.pm
@@ -246,6 +246,7 @@ sub INSTALL_FINALIZATION_RUNNER {
             # an eval STRING;
             || (caller(3))[3] eq '(eval)';
 
+    # Any reason to use private API instead of public here?
     push @{ Devel::Hook::_get_unitcheck_array() } => (
         sub { mop::module->new( name => $pkg )->run_all_finalizers }
     );