diff --git a/metrics/alertmanager/pd.rules.yml b/metrics/alertmanager/pd.rules.yml
index b746f94db95..19b646b8f8c 100644
--- a/metrics/alertmanager/pd.rules.yml
+++ b/metrics/alertmanager/pd.rules.yml
@@ -161,7 +161,7 @@ groups:
       level: warning
       expr:  sum(pd_cluster_status{type="storage_size"}) / sum(pd_cluster_status{type="storage_capacity"}) * 100  > 80
     annotations:
-      description: 'cluster: ENV_LABELS_ENV, type: {{ $labels.type }}, instance: {{ $labels.instance }}, values: {{ $value }}'
+      description: 'cluster: ENV_LABELS_ENV, instance: {{ $labels.instance }}, values: {{ $value }}'
       value: '{{ $value }}'
       summary: PD_cluster_store_space_used_more_than_80%
 
@@ -235,4 +235,4 @@ groups:
     annotations:
       description: 'cluster: ENV_LABELS_ENV, instance: {{ $labels.instance }}, values:{{ $value }}'
       value: '{{ $value }}'
-      summary: PD etcd storage usage is over 80% of quota
\ No newline at end of file
+      summary: PD etcd storage usage is over 80% of quota