diff --git a/config.toml b/config.toml
index c2d91c8..d8e31fd 100644
--- a/config.toml
+++ b/config.toml
@@ -125,7 +125,7 @@ hello = "00000000000000000000000000000000"
 # hello = 1073741824 # 1 GB
 
 # [access.user_expirations]
-# format: "username" = "[year]-[month]-[day]T[hour]:[minute]:[second]Z"
+# format: "username" = "[year]-[month]-[day]T[hour]:[minute]:[second]Z" UTC
 # hello = "2027-01-01T00:00:00Z"
 
 # === Upstreams & Routing ===