diff --git a/_posts/2023-03-31-Idea.md b/_posts/2023-03-31-Idea.md
index 63c0308..5598c57 100644
--- a/_posts/2023-03-31-Idea.md
+++ b/_posts/2023-03-31-Idea.md
@@ -1,7 +1,7 @@
 ---
 layout: default
 title: "The Idea"
-tags: system
+tags: System
 ---
 
 ## The Idea of this webpage