diff --git a/server/.env.sample b/server/.env.sample
index ac5696c8..b9b6f2e9 100644
--- a/server/.env.sample
+++ b/server/.env.sample
@@ -1,9 +1,14 @@
+## Required
+
 BASE_URL=http://localhost:1337
 DATABASE_URL=postgresql://postgres@localhost/planka
 SECRET_KEY=notsecretkey
 
-# In days
-TOKEN_EXPIRES_IN=365
+## Optional
+
+# TRUST_PROXY=0
+# TOKEN_EXPIRES_IN=365 # In days
+
+## Do not edit this
 
-# Do not edit this
 TZ=UTC