diff --git a/README.md b/README.md
index ab6e0db2..876a9397 100644
--- a/README.md
+++ b/README.md
@@ -219,5 +219,5 @@ $ make doc
 Copyright (C) 2019-2023 kaoru  https://www.tetengo.org/
 
 This product is released under the MIT license.
-See [the COPYING file](https://github.com/tetengo/tetengo/blob/master/COPYING)
+See [the COPYING file](https://github.com/tetengo/tetengo.cpp/blob/master/COPYING)
 for details.
diff --git a/configure.ac b/configure.ac
index 76c745ff..46839a57 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 
 #### General ####
 AC_PREREQ([2.69])
-AC_INIT([tetengo], [1.9.0], [https://github.com/tetengo])
+AC_INIT([tetengo], [1.9.0], [https://github.com/tetengo.cpp])
 AC_CONFIG_SRCDIR([precompiled/precompiled.h])
 AC_CONFIG_HEADERS([config.h])
 AM_INIT_AUTOMAKE([--warnings=no-portability])