diff --git a/README.md b/README.md
index 0347dfa..77081b0 100644
--- a/README.md
+++ b/README.md
@@ -250,7 +250,7 @@ to your liking, execute the following command to enable the software on boot:
 
 ```sh
 # Optional, set an alternate config file path
-sysrc rpi4b-temp-humidity_config_file="/path/to/your/config/file"
+sysrc rpi4b_temp_humidity_config_file="/path/to/your/config/file"
 service rpi4b-temp-humidity enable
 ```
 
@@ -266,8 +266,11 @@ The following command line flags are supported:
 These can also be modified via the following [rc.conf(5)][9] variables (or via
 the [sysrc(8)][10] command).
 
-- `rpi4b-temp-humidity_config_file`: same as `-f`
-- `rpi4b-temp-humidity_strict_config`: same as `-s`
+- `rpi4b_temp_humidity_config_file`: same as `-f`
+- `rpi4b_temp_humidity_strict_config`: same as `-s`
+- `rpi4b_temp_humidity_verbose`: same as `-v`
+- `rpi4b_temp_humidity_log_file`: file to write output to, set to empty to
+  discard output
 
 [9]: https://man.freebsd.org/cgi/man.cgi?query=rc.conf&manpath=FreeBSD+14.0-RELEASE+and+Ports
 [10]: https://man.freebsd.org/cgi/man.cgi?query=sysrc&manpath=FreeBSD+14.0-RELEASE+and+Ports