diff --git a/_data/rules.yml b/_data/rules.yml
index 163fb71..2954e7f 100644
--- a/_data/rules.yml
+++ b/_data/rules.yml
@@ -15,8 +15,7 @@ groups:
           - rules:
             - name: Prometheus job missing
               description: A Prometheus job has disappeared
-              query: 'absent(
-              job="prometheus"})'
+              query: 'absent(job="prometheus"})'
               severity: warning
             - name: Prometheus target missing
               description: A Prometheus target has disappeared. An exporter might be crashed.