diff --git a/README.md b/README.md
index 527f6a2..8dd01fd 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,14 @@ Roberto Segura and Waseem Sadiq for tweaks
Read information here
SASS
Read information here: Integrate Sass compiler
+Changelog Master Bootstrap v. 1.2.3
+
+ - Code W3C Valid!
+ - Update to Bootstrap 3.3.7
+ - Minor improvements
+
+Special Thanks to:
+Jan Krzywanek and Aleksander Kuczek from Perfect Web. Thanks you for supporting this project!!!
New Feature Master Bootstrap v. 1.2.2
- New: SASS compiler option