diff --git a/README.md b/README.md
index 5d0c7dd8..5ec718d1 100644
--- a/README.md
+++ b/README.md
@@ -206,7 +206,7 @@ The instructions above use an automatically built Docker image on DockerHub (htt
 | URL_BASE_TRUSTED | sets the trusted url of the instance (default: http://localhost:3000) |
 | URL_BASE_SANDBOX | sets the sandbox url of the instance (default: http://localhost:3003) |
 | URL_BASE_PUBLIC  | sets the public url of the instance (default: http://localhost:3004)  |
-| WITH_PROXY       | use if Mailtrain is behind an http reverse proxy                      |
+| WWWW_PROXY       | use if Mailtrain is behind an http reverse proxy (default: false)     |
 | MONGO_HOST       | sets mongo host (default: mongo)                                      |
 | REDIS_HOST       | sets redis host (default: redis)                                      |
 | MYSQL_HOST       | sets mysql host (default: mysql)                                      |