update doc
diff --git a/doc/changelog.md b/doc/changelog.md
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 # History
 
+* 2022/Aug/02 ver 6.61.1 noexcept is supported by Visual Studio 2015 or later
 * 2022/Jul/29 ver 6.61 fix exception of movzx eax, ah in 64-bit mode
 * 2022/Jun/16 ver 6.60.2 fix detection of GFNI, VAES, and VPCLMULQDQ
 * 2022/Jun/15 ver 6.60.1 fix link error of Xbyak::util::Cpu on Visual Studio with /O0 option
diff --git a/readme.txt b/readme.txt
index 3928831..a4c6a4c 100644
--- a/readme.txt
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@@ -400,6 +400,7 @@
 -----------------------------------------------------------------------------

 ◎履歴

 

+2022/08/02 ver 6.61.1 noexceptはVisual Studio 2015以降対応

 2022/07/29 ver 6.61 movzx eax, ahがエラーになるのを修正

 2022/06/16 ver 6.60.2 GFNI, VAES, VPCLMULQDQの判定修正

 2022/06/15 ver 6.60.1 Visual Studio /O0でXbyak::util::Cpuがリンクエラーになるのに対応