diff --git a/README.md b/README.md
index 453a78f..7e56ca9 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ pgbackups3:
   links:
     - postgres
   environment:
-    SCHEDULE: '@daily'
+    SCHEDULE: 0 30 */2 * * *  # every 2 hours at HH:30
     S3_REGION: region
     S3_ACCESS_KEY_ID: key
     S3_SECRET_ACCESS_KEY: secret