diff --git a/README.md b/README.md
index 7bcd8f2..962dca1 100644
--- a/README.md
+++ b/README.md
@@ -36,9 +36,10 @@ USAGE:
    showbridge [global options]
 
 GLOBAL OPTIONS:
-   --config string      path to config file (default: "./config.yaml")
-   --log-level string   set log level (default: "info")
-   --log-format string  log format to use (default: "text")
+   --config string      path to config file (default: "./config.yaml") [$SHOWBRIDGE_CONFIG]
+   --log-level string   set log level (default: "info") [$SHOWBRIDGE_LOG_LEVEL]
+   --log-format string  log format to use (default: "text") [$SHOWBRIDGE_LOG_FORMAT]
+   --trace              enable OpenTelemetry tracing [$SHOWBRIDGE_TRACE]
    --help, -h           show help
    --version, -v        print the version
 ```