diff --git a/ChangeLog b/ChangeLog
index 2607bb8..22243b8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2025-07-12  Mert Gör  <hwpplayer1@masscollabs>
 
+	* README.md: README links updated
+
+	* src/hello.cpp: a hello world example std 20
+
 	* README.md: experimental2025 started
 
 2024-07-26  hwpplayer1  <hwpplayer1@debian>
diff --git a/README.md b/README.md
index 66bfdf0..395b0a0 100644
--- a/README.md
+++ b/README.md
@@ -6,19 +6,21 @@ C++ Training
 
 * https://source.masscollabs.xyz/masscollaborationlabs/cpp-dojo
 
-* https://github.com/hwpplayer1/cpp-dojo
-
-* https://gitlab.com/hwpplayer1/cpp-dojo
-
-* https://git.sr.ht/~mertgor/cpp-dojo
-
-* https://git.vern.cc/hwpplayer1/cpp-dojo
+* https://codeberg.org/hwpplayer1/cpp-dojo
 
 * https://git.disroot.org/hwpplayer1/cpp-dojo
 
-* https://codeberg.org/hwpplayer1/cpp-dojo
+* https://git.vern.cc/hwpplayer1/cpp-dojo
 
-* https://git.truvalinux.org.tr/hwpplayer1/cpp-dojo
+* https://git.emin.software/hwpplayer1/cpp-dojo
+
+* https://git.truvalinux.org.tr/hwpplayer1/cpp-dojo ( down not working )
+
+* https://git.sr.ht/~mertgor/cpp-dojo
+
+* https://gitlab.com/hwpplayer1/cpp-dojo
+
+* https://github.com/hwpplayer1/cpp-dojo
 
 * and your local reposıtory on your own computer