fix

monitor/grafana/index.yaml

@@ -25,7 +25,7 @@ options:
         default: 10Gi
         type: string
     type: object
-  sub-domain:
+  sub_domain:
     default: grafana
     examples:
     - grafana
@@ -132,7 +132,7 @@ options:
             type: string
         type: object
     type: object
-  ingress-class:
+  ingress_class:
     default: traefik
     examples:
     - traefik
@@ -147,12 +147,12 @@ options:
     examples:
     - grafana_admin
     type: string
-  app-group:
+  app_group:
     default: monitor
     examples:
     - monitor
     type: string
-  domain-name:
+  domain_name:
     default: your_company.com
     examples:
     - your_company.com