docs(outputs.mqtt): update readme to match sample config (#12552)
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@ -16,7 +16,7 @@
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## {{ .TopicPrefix }}/{{ .Hostname }}/{{ .PluginName }}/{{ .Tag "tag_key" }}
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## (e.g. prefix/web01.example.com/mem/some_tag_value)
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## Each path segment accepts either a template placeholder, an environment variable, or a tag key
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## of the form `{{.Tag "tag_key_name"]]`. Empty path elements as well as special MQTT characters
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## of the form `{{.Tag "tag_key_name"}}`. Empty path elements as well as special MQTT characters
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## (such as `+` or `#`) are invalid to form the topic name and will lead to an error.
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## In case a tag is missing in the metric, that path segment omitted for the final topic.
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topic = "telegraf/{{ .Hostname }}/{{ .PluginName }}"
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