diff --git a/sldr/t/twh.xml b/sldr/t/twh.xml
index bc1ec71be..386dab9a1 100644
--- a/sldr/t/twh.xml
+++ b/sldr/t/twh.xml
@@ -10,7 +10,7 @@
 	</identity>
 	<localeDisplayNames>
 		<languages>
-			<language type="twh">Tãy Ðón</language>
+			<language type="twh">Tãy Đón</language>
 		</languages>
 		<special>
 			<sil:names>