diff --git a/October-2025.md b/October-2025.md
index 8f368d9..8f0333a 100644
--- a/October-2025.md
+++ b/October-2025.md
@@ -3,6 +3,7 @@ gitea: none
 tags:
  - challenge
  - challenge-001
+ - archive
 ---
 [← Back to Challenge Archive](Challenge-Archive)