diff --git a/rdp5.c b/rdp5.c
index 6d08ba0..9f4be79 100644
--- a/rdp5.c
+++ b/rdp5.c
@@ -1,6 +1,6 @@
 /* -*- c-basic-offset: 8 -*-
    rdesktop: A Remote Desktop Protocol client.
-   Protocol services - Multipoint Communications Service
+   Protocol services - RDP5 short form PDU processing
    Copyright (C) Matthew Chapman 1999-2005
    Copyright (C) Erik Forsberg 2003
 
@@ -80,39 +80,35 @@ rdp5_process(STREAM s)
 
 		switch (type)
 		{
-				/* Thanks to Jeroen Meijer <jdmeijer at yahoo
-				   dot com> for finding out the meaning of
-				   most of the opcodes here. Especially opcode
-				   8! :) */
-			case 0:	/* orders */
+			case 0:	/* update orders */
 				in_uint16_le(ts, count);
 				process_orders(ts, count);
 				break;
-			case 1:	/* bitmap update (???) */
+			case 1:	/* update bitmap */
 				in_uint8s(ts, 2);	/* part length */
 				process_bitmap_updates(ts);
 				break;
-			case 2:	/* palette */
+			case 2:	/* update palette */
 				in_uint8s(ts, 2);	/* uint16 = 2 */
 				process_palette(ts);
 				break;
-			case 3:	/* probably an palette with offset 3. Weird */
+			case 3:	/* update synchronize */
 				break;
-			case 5:
+			case 5: /* null pointer */
 				ui_set_null_cursor();
 				break;
-			case 6:	/* TODO: W2K3 SP1 sends this on connect */
+			case 6:	/* default pointer */
 				break;
-			case 8:
+			case 8: /* pointer position */
 				in_uint16_le(ts, x);
 				in_uint16_le(ts, y);
 				if (s_check(ts))
 					ui_move_pointer(x, y);
 				break;
-			case 9:
+			case 9: /* color pointer */
 				process_colour_pointer_pdu(ts);
 				break;
-			case 10:
+			case 10: /* cached pointer */
 				process_cached_pointer_pdu(ts);
 				break;
 			default: