diff --git a/platform/kindle/extensions/koreader/README.txt b/platform/kindle/extensions/koreader/README.txt
index be485ce7a..cc4b0b208 100644
--- a/platform/kindle/extensions/koreader/README.txt
+++ b/platform/kindle/extensions/koreader/README.txt
@@ -13,12 +13,14 @@ K4 Yes
 Touch Yes
 PW Yes
 PW2 Yes
-KT Yes
+KT2 Yes
 Voyage Yes
 PW3 Yes
 KOA Yes
-KT2 Yes
+KT3 Yes
 KOA2 Yes
+PW4 Yes
+KT4 Yes
 
 REQUIRES: koreader