diff --git a/ping.yml b/ping.yml
index 44f3e77..dbee32d 100644
--- a/ping.yml
+++ b/ping.yml
@@ -1,4 +1,5 @@
+---
 - hosts: all   
   become: yes   
   tasks:
-   - ping
\ No newline at end of file
+    - ping
\ No newline at end of file