diff --git a/NucleicRemote/NucleicRemote/NucleicRemoteApp.swift b/NucleicRemote/NucleicRemote/NucleicRemoteApp.swift
index a41ede2..4d5fd12 100644
--- a/NucleicRemote/NucleicRemote/NucleicRemoteApp.swift
+++ b/NucleicRemote/NucleicRemote/NucleicRemoteApp.swift
@@ -15,7 +15,7 @@ struct NucleicRemoteApp: App {
                     // Surface the notifications prompt + register for APNS. The token rides along
                     // in the sync Hello; the relay uses it to wake the phone for approvals (§3).
                     PushRegistrar.shared.requestAuthorizationAndRegister()
-                    // Anonymous, opt-out, once-a-day DAU heartbeat (docs/CLOUD_INFRA.md §4).
+                    // Anonymous, opt-out, once-a-day DAI heartbeat (docs/CLOUD_INFRA.md §4).
                     Task { await HeartbeatReporter.reportIfDue() }
                 }
                 // Re-check on every foreground so a new active day is counted.