Nested TOML tables should only be surrounded by a single bracket.

charts/telegraf/Chart.yaml

 apiVersion: v1
 name: telegraf
-version: 1.7.27
+version: 1.7.28
 appVersion: 1.15
 deprecated: false
 description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.

charts/telegraf/templates/_helpers.tpl

@@ -134,7 +134,7 @@ app.kubernetes.io/instance: {{ .Release.Name }}
         {{- range $key, $value := $config -}}
           {{- $tp := typeOf $value -}}
           {{- if eq $tp "map[string]interface {}" }}
-      [[outputs.{{ $output }}.{{ $key }}]]
+      [outputs.{{ $output }}.{{ $key }}]
             {{- range $k, $v := $value }}
               {{- $tps := typeOf $v }}
               {{- if eq $tps "string" }}