diff --git a/README.md b/README.md
index 9d1807aa..c75a2e85 100644
--- a/README.md
+++ b/README.md
@@ -97,7 +97,7 @@ GLOBAL OPTIONS:
 									digitalocean: DO_AUTH_TOKEN
 									dnsimple: DNSIMPLE_EMAIL, DNSIMPLE_API_KEY
 									route53: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION
-									rfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_NAMESERVER, RFC2136_ZONE
+									rfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_TSIG_ALGORITHM, RFC2136_NAMESERVER, RFC2136_ZONE
 									manual: none
    --help, -h								show help
    --version, -v							print the version
diff --git a/cli.go b/cli.go
index 97d3a816..e08f809c 100644
--- a/cli.go
+++ b/cli.go
@@ -124,7 +124,7 @@ func main() {
 				"\n\tdigitalocean: DO_AUTH_TOKEN" +
 				"\n\tdnsimple: DNSIMPLE_EMAIL, DNSIMPLE_API_KEY" +
 				"\n\troute53: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION" +
-				"\n\trfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_NAMESERVER, RFC2136_ZONE" +
+				"\n\trfc2136: RFC2136_TSIG_KEY, RFC2136_TSIG_SECRET, RFC2136_TSIG_ALGORITHM, RFC2136_NAMESERVER, RFC2136_ZONE" +
 				"\n\tmanual: none",
 		},
 	}