updatee defaults in env example

.env.example

@@ -18,6 +18,9 @@ NEXT_PUBLIC_WEBAPP_URL=http://localhost:3000
 # Use `openssl rand -base64 32` to generate a key
 NEXTAUTH_SECRET=secret
 
+# Encryption key that will be used to encrypt CalDAV credentials, choose a random string, for example with `dd if=/dev/urandom bs=1K count=1 | md5sum`
+CALENDSO_ENCRYPTION_KEY=secret
+
 # Deprecation note: JWT_SECRET is no longer used
 # JWT_SECRET=secret
 
@@ -49,7 +52,4 @@ EMAIL_SERVER_PORT=587
 EMAIL_SERVER_USER=email_user
 EMAIL_SERVER_PASSWORD=email_password
 
-# Encryption key that will be used to encrypt CalDAV credentials, choose a random string, for example with `dd if=/dev/urandom bs=1K count=1 | md5sum`
-CALENDSO_ENCRYPTION_KEY=
-
 NODE_ENV=production