diff --git a/devops-service/app/api2/routes/server.rb b/devops-service/app/api2/routes/server.rb
index b00d983..69bd54e 100644
--- a/devops-service/app/api2/routes/server.rb
+++ b/devops-service/app/api2/routes/server.rb
@@ -196,6 +196,7 @@ module Devops
           #       "force": null,             -> do not delete server on error
           #       "groups": [],              -> specify special security groups, overrides value from project env
           #       "key": "ssh key"           -> specify ssh key for server, overrides value from project env
+          #       "private_ip": null         -> should be string like "172.31.31.203" if present
           #     }
           #
           # * *Returns* : text stream