diff --git a/branches/1stNUP_for_2ndNUP/documents/Readme.txt b/branches/1stNUP_for_2ndNUP/documents/Readme.txt
index 2f9a953..5095a91 100644
--- a/branches/1stNUP_for_2ndNUP/documents/Readme.txt
+++ b/branches/1stNUP_for_2ndNUP/documents/Readme.txt
@@ -1,7 +1,7 @@
 【ビルド環境】
 
 ・SDK
-Horizon 2_3 branch r38025
+Horizon 2_3 branch r52121 + 下記nwmパッチ、plパッチ
 
 ・cygwin
 ・subversion