diff --git a/pkg/apis/externaldns/types.go b/pkg/apis/externaldns/types.go
index 77db9ffc6..9bd8a9c51 100644
--- a/pkg/apis/externaldns/types.go
+++ b/pkg/apis/externaldns/types.go
@@ -292,7 +292,7 @@ func (cfg *Config) ParseFlags(args []string) error {
 	app.Flag("pdns-server", "When using the PowerDNS/PDNS provider, specify the URL to the pdns server (required when --provider=pdns)").Default(defaultConfig.PDNSServer).StringVar(&cfg.PDNSServer)
 	app.Flag("pdns-api-key", "When using the PowerDNS/PDNS provider, specify the API key to use to authorize requests (required when --provider=pdns)").Default(defaultConfig.PDNSAPIKey).StringVar(&cfg.PDNSAPIKey)
 	app.Flag("pdns-tls-enabled", "When using the PowerDNS/PDNS provider, specify whether to use TLS (default: false, requires --tls-ca, optionally specify --tls-client-cert and --tls-client-cert-key)").Default(strconv.FormatBool(defaultConfig.PDNSTLSEnabled)).BoolVar(&cfg.PDNSTLSEnabled)
-	app.Flag("ns1-endpoint", "When using the NS1 provider, specify the endpoint to target if not using Managed DNS (optional)").Default(defaultConfig.NS1Endpoint).StringVar(&cfg.NS1Endpoint)
+	app.Flag("ns1-endpoint", "When using the NS1 provider, specify the URL of the API endpoint to target (default: https://api.nsone.net/v1/)").Default(defaultConfig.NS1Endpoint).StringVar(&cfg.NS1Endpoint)
 	app.Flag("ns1-ignoressl", "When using the NS1 provider, specify whether to verify the SSL certificate (default: false)").Default(strconv.FormatBool(defaultConfig.NS1IgnoreSSL)).BoolVar(&cfg.NS1IgnoreSSL)
 
 	// Flags related to TLS communication