diff --git a/ChangeLog b/ChangeLog
index ad5133f..7599593 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2025-01-10  Mert Gör  <mertgor@masscollabs.xyz>
+
+	* c-basic/hello.c: hello world on GNU/Linux
+
+	* c-basic/CSD-C-Basic-Book/C.pdf: Sayfa 12 
+
 2025-01-07  Mert Gör  <mertgor@masscollabs.xyz>
 
 	* c-basic/CSD-C-Basic-Book/C.pdf: 2025 Youtube serisi Türkçe içerik başladı