diff --git a/README.md b/README.md
index 99590798..a85a422c 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ To run the CLI without sudo, you have three options:
 
 - Use setcap 'cap_net_bind_service=+ep' /path/to/program
 - Pass the `--http` or/and the `--tls` option and specify a custom port to bind to. In this case you have to forward port 80/443 to these custom ports (see [Port Usage](#port-usage)).
-- Pass the `--webport` option and specify the path to your webroot folder. In this case the challenge will be written in a file in `.well-known/acme-challenge/` inside your webroot.
+- Pass the `--webroot` option and specify the path to your webroot folder. In this case the challenge will be written in a file in `.well-known/acme-challenge/` inside your webroot.
 
 #### Port Usage
 By default lego assumes it is able to bind to ports 80 and 443 to solve challenges.