1 files changed, 1 insertions, 0 deletions
diff --git a/lib/puppet/transaction.rb b/lib/puppet/transaction.rb
index 05fbe6914..a7ea48a19 100644
--- a/lib/puppet/transaction.rb
+++ b/lib/puppet/transaction.rb
@@ -262,6 +262,7 @@ class Transaction
                 nil
             end
         }.reject { |o| o.nil? }.uniq.each do |klass|
+            # XXX We need to do something special here in case of failure.
             if klass.respond_to?(:prefetch)
                 klass.prefetch
             end