diff --git a/.index b/.index
index 47c42b2..77a7e51 100644
--- a/.index
+++ b/.index
@@ -76,6 +76,6 @@ tagged_example.md
 20251228130119.todo.md
 20251228132118.md
 20251228144710.md
-159.9
+petrol price 159.9
 20251228152207.todo.md
 20251228161109.md
diff --git a/159.9 b/petrol price 159.9
similarity index 100%
rename from 159.9
rename to petrol price 159.9