1 files changed, 2 insertions, 1 deletions
diff --git a/lib/PublicInbox/Hval.pm b/lib/PublicInbox/Hval.pm
index 9fbe616f..ab6e044b 100644
--- a/lib/PublicInbox/Hval.pm
+++ b/lib/PublicInbox/Hval.pm
@@ -1,7 +1,8 @@
  # Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
  # License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
  #
-# represents a header value in various forms
+# represents a header value in various forms.  Used for HTML generation
+# in our web interface(s)
  package PublicInbox::Hval;
  use strict;
  use warnings;