diff --git a/README.md b/README.md
index 3004f1b..9feb825 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Requires Dart runtime.
 
 ## Usage
 ```
-dart bin/owntracks_import.dart -s <GeoJSON file path> -d <Recorder IP address with protocol and port> -v
+dart bin/owntracks_import.dart -s <GeoJSON file path> -d <Recorder IP address with protocol and port> -u <user name> -v
 
 dart bin/owntracks_import.dart --help
 ```
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