diff --git a/source/org/thdl/tib/text/tibwn.ini b/source/org/thdl/tib/text/tibwn.ini
index f731e93..410ed37 100644
--- a/source/org/thdl/tib/text/tibwn.ini
+++ b/source/org/thdl/tib/text/tibwn.ini
@@ -22,6 +22,9 @@
 //
 // DuffPaneTest ensures that the na-ro column truly contains na-ros,
 // by the way.
+//
+// If EWTS changes, then ACIP->TMW and ACIP->Unicode will break --
+// modify ACIPRules and test test test.
 
 <?Input:Punctuation?>
 //_~32,1~0,32
@@ -95,6 +98,12 @@ M~~~8,91~~~~~~~0F7E
 
 
 <?Input:Tibetan?>
+//
+// NOTE WELL: If you decide to move a stack from <?Input:Tibetan?> to
+// <?Input:Sanskrit?> or vice versa, then you will change how the
+// ACIP->Tibetan converters operate.  See the user guide for those
+// converters to learn why, but in short, consider {GNA} and {GNVA}.
+//
 k~33,1~1,92~1,33~1,109~1,111~1,123~1,125~10,118~10,120~0F40
 kh~34,1~~1,34~1,109~1,118~1,123~1,125~10,114~10,123~0F41
 g~35,1~1,93~1,35~1,109~1,111~1,123~1,125~10,118~10,120~0F42