diff --git a/README.md b/README.md
index 3db4242..e6c997e 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,9 @@ CONFIGURATION
 Configurable options:
 - --storage.tsdb.retention.time via `$ps_retention_time`
 - --storage.tsdb.retention.size via `$ps_retention_size`
+- authentication user via `$ps_auth_user`
+- authentication password via `$ps_auth_pass`
+- web authentication password via `$ps_web_pass` ( different format required)
 
 ## Repo Documentation