diff --git a/DOCS.md b/DOCS.md
index 859ee71..3fa8eb0 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -159,12 +159,18 @@ pipeline:
 
 # Secret Reference
 
+ssh_username
+: account for target host user
+
 ssh_password
 : password for target host user
 
 ssh_key
 : plain text of user private key
 
+proxy_ssh_username
+: account for user of proxy server
+
 proxy_ssh_password
 : password for user of proxy server