Fix typo

(extra closing parenthesis)

Change-Id: I0236a4a45f46df66af8e9ca1d1d9d26270d24077
diff --git a/cinder/meta/prometheus.yml b/cinder/meta/prometheus.yml
index 79880cc..35e5ea8 100644
--- a/cinder/meta/prometheus.yml
+++ b/cinder/meta/prometheus.yml
@@ -42,7 +42,7 @@
             Only one {{ $labels.service }} service is up for 2 minutes
     CinderAllServicesDown:
       if: >-
-        openstack_cinder_services{state="up",service="cinder-volume|cinder-scheduler"}) == 0
+        openstack_cinder_services{state="up",service="cinder-volume|cinder-scheduler"} == 0
       for: 2m
       labels:
         severity: down