--- a/src/.env.tmpl	Mon Jun 26 15:21:06 2017 +0200
+++ b/src/.env.tmpl	Mon Jun 26 16:05:47 2017 +0200
@@ -39,3 +39,7 @@
 # expiration delta for JWT tokens (in seconds)
 # default: 3600
 # JWT_EXPIRATION_DELTA = 3600
+
+# expiration refresh delta for JWT tokens (in seconds)
+# default: 3600*24*7 = 604800
+# JWT_REFRESH_EXPIRATION_DELTA = 604800