diff --git a/README.md b/README.md
index 2122ba2..b39db89 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,11 @@ From the command line you can use these options:
 * `ENABLED_COLLECTORS`: Comma separated list of [collectors](https://github.com/prometheus-community/windows_exporter/tree/v0.20.0#collectors)
 * `SYSDIG_URL`: The Prometheus endpoint of your Sysdig Monitor region in the form `https://api.sysdigcloud.com/prometheus/remote/write`. Consult the available regions [here](https://docs.sysdig.com/en/docs/administration/saas-regions-and-ip-ranges/#prometheus-endpoints-and-regions).
 * `COMPUTER_NAME` (optional): Overrides the label `instance` in metrics generated by the Windows Exporter with a custom value. The default value is the computer name stored in the `COMPUTERNAME` Windows environment variable.
+* `PROMETHEUS_PORT` (optional): The Prometheus port. The default value is '9090'.
+* `WINDOWS_EXPORTER_LISTEN_ADDR` (optional): The Windows Exporter IP address. The default value is '0.0.0.0'.
+* `WINDOWS_EXPORTER_LISTEN_PORT` (optional): The Windows Exporter port. The default value is '9182'.
+* `WINDOWS_EXPORTER_EXTRA_FLAGS` (optional): Windows Exporter [additional CLI flags](https://github.com/prometheus-community/windows_exporter/tree/v0.20.0#flags). The default value is an empty string.
+* `WINDOWS_EXPORTER_FIREWALL_REMOTE_ADDR` (optional): Comma separated remote IP addresses for the Windows Firewall exception (allow list). The default value is an empty string (any remote address).
 * `TEXTFILE_DIR` (only if `textfile` collector is enabled): The local folder where the `textfile` collector will look for files
 
 ## Automated uninstallation