Fix alerts

Change-Id: Iaadd1a49f195da1d0605139159f2b02e643cc1ae
diff --git a/keystone/meta/prometheus.yml b/keystone/meta/prometheus.yml
index 572908f..33a5b3c 100644
--- a/keystone/meta/prometheus.yml
+++ b/keystone/meta/prometheus.yml
@@ -5,15 +5,15 @@
   alert:
     KeystoneAPIDown:
       if: >-
-        max(openstack_api_check_status{service=~"keystone.+"}) by (service) == 0
+        openstack_api_check_status{service=~"keystone.*"} == 0
       for: 2m
       labels:
         severity: down
         service: "{{ $labels.service }}"
       annotations:
-        summary: "Endpoint check for '{{ $labels.service}}' is down"
+        summary: "Endpoint check for '{{ $labels.service }}' is down"
         description: >-
-            Endpoint check for '{{ $labels.service}}' is down for 2 minutes
+            Endpoint check for '{{ $labels.service }}' is down for 2 minutes
     KeystoneErrorLogsTooHigh:
 {%- endraw %}
       {%- set log_threshold = monitoring.error_log_rate|float %}