docs(outputs.mqtt): update readme to match sample config (#12552)

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Joshua Powers 2023-01-25 13:11:31 -07:00 committed by GitHub
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@ -16,7 +16,7 @@
## {{ .TopicPrefix }}/{{ .Hostname }}/{{ .PluginName }}/{{ .Tag "tag_key" }}
## (e.g. prefix/web01.example.com/mem/some_tag_value)
## Each path segment accepts either a template placeholder, an environment variable, or a tag key
## of the form `{{.Tag "tag_key_name"]]`. Empty path elements as well as special MQTT characters
## of the form `{{.Tag "tag_key_name"}}`. Empty path elements as well as special MQTT characters
## (such as `+` or `#`) are invalid to form the topic name and will lead to an error.
## In case a tag is missing in the metric, that path segment omitted for the final topic.
topic = "telegraf/{{ .Hostname }}/{{ .PluginName }}"