diff --git a/.env.example b/.env.example
index ba255c4e2..f5ff0a7c9 100644
--- a/.env.example
+++ b/.env.example
@@ -19,7 +19,7 @@ SMTP_FROM="Corteza" <info@local.cortezaproject.org>
 # If not set, random value will be set every time you reset the service
 #AUTH_JWT_SECRET=
 
-# JWT expiration (default 30 days)
+# JWT expiration (duration, default: '720h', 30 days)
 #AUTH_JWT_EXPIRY=
 
 # Debug level you want to use (anything equal or lower than that will be logged)