diff --git a/src/slackAppHome.js b/src/slackAppHome.js
index 67e533e..e099616 100644
--- a/src/slackAppHome.js
+++ b/src/slackAppHome.js
@@ -258,7 +258,7 @@ function buildPaymentListBlocks(items) {
     blocks.push({
       type: "section",
       fields: [
-        { type: "mrkdwn", text: `*${payee}*\nCheck #${checkNum}` },
+        { type: "mrkdwn", text: `*${payee}*\n${p.method === "ACH" ? "Reference" : "Check"} #${checkNum}` },
         { type: "mrkdwn", text: `*${formatCurrency(p.amount_usd)}*\n${dateStr}` },
       ],
     });