diff --git a/README.md b/README.md
index c9e532d..c28652a 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,7 @@ Parameters:
  --alpn alpn-certs/directory      Output alpn verification certificates into the specified directory
  --challenge (-t) http-01|dns-01|tls-alpn-01 Which challenge should be used? Currently http-01, dns-01, and tls-alpn-01 are supported
  --algo (-a) rsa|prime256v1|secp384r1 Which public key algorithm should be used? Supported: rsa, prime256v1 and secp384r1
+ --acme-profile profile_name      Use specified ACME profile
 ```
 
 ## Chat