diff --git a/pkg/apis/externaldns/types.go b/pkg/apis/externaldns/types.go
index 9b8597bb2..fb1d08363 100644
--- a/pkg/apis/externaldns/types.go
+++ b/pkg/apis/externaldns/types.go
@@ -428,7 +428,7 @@ func (cfg *Config) ParseFlags(args []string) error {
 	app.Flag("exclude-target-net", "Exclude target nets (optional)").StringsVar(&cfg.ExcludeTargetNets)
 
 	// Flags related to providers
-	app.Flag("provider", "The DNS provider where the DNS records will be created (required, options: aws, aws-sd, godaddy, google, azure, azure-dns, azure-private-dns, bluecat, cloudflare, rcodezero, digitalocean, dnsimple, akamai, infoblox, dyn, designate, coredns, skydns, ibmcloud, inmemory, ovh, pdns, oci, exoscale, linode, rfc2136, ns1, transip, vinyldns, rdns, scaleway, vultr, ultradns, gandi, safedns, tencentcloud)").Required().PlaceHolder("provider").EnumVar(&cfg.Provider, "aws", "aws-sd", "google", "azure", "azure-dns", "azure-private-dns", "alibabacloud", "civo", "cloudflare", "rcodezero", "digitalocean", "dnsimple", "akamai", "infoblox", "dyn", "designate", "coredns", "skydns", "ibmcloud", "inmemory", "ovh", "pdns", "oci", "exoscale", "linode", "rfc2136", "ns1", "transip", "vinyldns", "rdns", "scaleway", "vultr", "ultradns", "godaddy", "bluecat", "gandi", "safedns", "tencentcloud", "pihole", "plural")
+	app.Flag("provider", "The DNS provider where the DNS records will be created (required, options: akamai, aws, aws-sd, azure, azure-dns, azure-private-dns, bluecat, civo, cloudflare, coredns, designate, digitalocean, dnsimple, dyn, exoscale, gandi, godaddy, google, ibmcloud, infoblox, inmemory, linode, ns1, oci, ovh, pdns, rcodezero, rdns, rfc2136, safedns, scaleway, skydns, tencentcloud, transip, ultradns, vinyldns, vultr)").Required().PlaceHolder("provider").EnumVar(&cfg.Provider, "akamai", "aws", "aws-sd", "azure", "azure-dns", "azure-private-dns", "bluecat", "civo", "cloudflare", "coredns", "designate", "digitalocean", "dnsimple", "dyn", "exoscale", "gandi", "godaddy", "google", "ibmcloud", "infoblox", "inmemory", "linode", "ns1", "oci", "ovh", "pdns", "rcodezero", "rdns", "rfc2136", "safedns", "scaleway", "skydns", "tencentcloud", "transip", "ultradns", "vinyldns", "vultr")
 	app.Flag("domain-filter", "Limit possible target zones by a domain suffix; specify multiple times for multiple domains (optional)").Default("").StringsVar(&cfg.DomainFilter)
 	app.Flag("exclude-domains", "Exclude subdomains (optional)").Default("").StringsVar(&cfg.ExcludeDomains)
 	app.Flag("regex-domain-filter", "Limit possible domains and target zones by a Regex filter; Overrides domain-filter (optional)").Default(defaultConfig.RegexDomainFilter.String()).RegexpVar(&cfg.RegexDomainFilter)