1 files changed, 1 insertions, 0 deletions
diff --git a/lib/puppet/parser/ast/selector.rb b/lib/puppet/parser/ast/selector.rb
index 7ba020c8e..f3d684a3d 100644
--- a/lib/puppet/parser/ast/selector.rb
+++ b/lib/puppet/parser/ast/selector.rb
@@ -43,6 +43,7 @@ class Puppet::Parser::AST
                     found = true
                     break
                 elsif obj.param.is_a?(Default)
+                    # Store the default, in case it's necessary.
                     default = obj
                 end
             }