diff --git a/Projects/1-Beginner/Calendar-App.md b/Projects/1-Beginner/Calendar-App.md
index f75e6f70..e27a11ee 100644
--- a/Projects/1-Beginner/Calendar-App.md
+++ b/Projects/1-Beginner/Calendar-App.md
@@ -1,6 +1,6 @@
 # My calendar
 
-**Tier:** 3-Advanced
+**Tier:** 1-Beginner
 
 Build a calendar application to organize you daily life. Add functionality to add events and reminder.
 Style your own calendar according to your requirement