diff --git a/TipsUbuntu.md b/TipsUbuntu.md
index 83a6e8de..0693c633 100644
--- a/TipsUbuntu.md
+++ b/TipsUbuntu.md
@@ -1,3 +1,7 @@
+---
+categories: tips
+...
+
 # Tips Ubuntu
 
 ## sources.list