[hyena] Augment code comment

[Gabriel Burt <gburt src gnome org>]

commit f8fa7c5f70745f98077cc4b12e4efe88f7543141
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Mon Feb 15 19:43:52 2010 -0800

    Augment code comment

 .../Hyena.Data.Sqlite/HyenaSqliteConnection.cs     |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/Hyena.Data.Sqlite/Hyena.Data.Sqlite/HyenaSqliteConnection.cs b/src/Hyena.Data.Sqlite/Hyena.Data.Sqlite/HyenaSqliteConnection.cs
index e7fad63..976102d 100644
--- a/src/Hyena.Data.Sqlite/Hyena.Data.Sqlite/HyenaSqliteConnection.cs
+++ b/src/Hyena.Data.Sqlite/Hyena.Data.Sqlite/HyenaSqliteConnection.cs
@@ -92,6 +92,9 @@ namespace Hyena.Data.Sqlite
 
         // These are 'parallel' queues; that is, when a value is pushed or popped to
         // one, a value is pushed or popped to all three.
+        // The 1st contains the command object itself, and the 2nd and 3rd contain the
+        // arguments to be applied to that command (filled in for any ? placeholder in the command).
+        // The 3rd exists as an optimization to avoid making an object [] for a single arg.
         private Queue<HyenaSqliteCommand> command_queue = new Queue<HyenaSqliteCommand>();
         private Queue<object[]> args_queue = new Queue<object[]>();
         private Queue<object> arg_queue = new Queue<object>();