diff --git a/web/lib/service/analytics.ts b/web/lib/service/analytics.ts
index a54bcbc1..4bec98ed 100644
--- a/web/lib/service/analytics.ts
+++ b/web/lib/service/analytics.ts
@@ -32,6 +32,8 @@ export function initTracking() {
     loaded: (posthog) => {
       posthog.debug(false)
     },
+    // Below was a failed attempt to remove that error in the browser console:
+    // Cookie “dmn_chk_01993ec4-8420-79ca-85d3-28fec41426c0” has been rejected for invalid domain.
     persistence: 'cookie',
     cross_subdomain_cookie: true,        // top-level domain cookie
     secure_cookie: window.location.protocol === 'https:',