diff --git a/netdata/health_alarm_notify.conf b/netdata/health_alarm_notify.conf
index 096b100..bf95fda 100644
--- a/netdata/health_alarm_notify.conf
+++ b/netdata/health_alarm_notify.conf
@@ -26,22 +26,22 @@ role_recipients_email[proxyadmin]="${ADMIN_EMAIL}"
 role_recipients_email[sitemgr]="${ADMIN_EMAIL}"
 
 ###############################################################################
-# Mattermost notifications
+# Mattermost notifications via Slack-compatible webhook
 ###############################################################################
 
-# Enable Mattermost notifications
-SEND_MATTERMOST="YES"
+# Enable Slack notifications (Mattermost supports Slack-compatible webhooks)
+SEND_SLACK="YES"
 
-# Mattermost incoming webhook URL
-MATTERMOST_WEBHOOK_URL="${MATTERMOST_WEBHOOK_URL}"
+# Mattermost incoming webhook URL (Slack-compatible)
+SLACK_WEBHOOK_URL="${MATTERMOST_WEBHOOK_URL}"
 
-# Mattermost channel (optional, webhook default channel will be used if empty)
-DEFAULT_RECIPIENT_MATTERMOST=""
+# Slack channel (optional, webhook default channel will be used if empty)
+DEFAULT_RECIPIENT_SLACK=""
 
-# Mattermost notification recipients per role
-role_recipients_mattermost[sysadmin]="notifications"
-role_recipients_mattermost[domainadmin]="notifications"
-role_recipients_mattermost[dba]="notifications"
-role_recipients_mattermost[webmaster]="notifications"
-role_recipients_mattermost[proxyadmin]="notifications"
-role_recipients_mattermost[sitemgr]="notifications"
+# Slack notification recipients per role
+role_recipients_slack[sysadmin]="notifications"
+role_recipients_slack[domainadmin]="notifications"
+role_recipients_slack[dba]="notifications"
+role_recipients_slack[webmaster]="notifications"
+role_recipients_slack[proxyadmin]="notifications"
+role_recipients_slack[sitemgr]="notifications"