How to shorten the message output?

Hi colleagues, hint, I have created a go template like this
{{ define "SecTempl" }} {{ range .Alerts.Firing }} 🔥 Alarm: {{ .Labels.alertname }} {{ .Annotations.summary }}{{ end }} {{ range .Alerts.Resolved }} 🆗 Resolved: {{ .Labels.alertname }} {{ .Annotations.summary }}{{ end }} {{ end }}
when sending a message to zulip I get this kind of output
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and I need to remove this part
изображение
, can you tell me how to do it?