diff --git a/lib/fluent/plugin/out_forward.rb b/lib/fluent/plugin/out_forward.rb
index 27c9688ece..75f76c37a4 100644
--- a/lib/fluent/plugin/out_forward.rb
+++ b/lib/fluent/plugin/out_forward.rb
@@ -225,7 +225,7 @@ def configure(conf)
         configs << { type: @service_discovery[i][:@type], conf: c }
       end
 
-      create_service_discovery_manager(
+      service_disovery_create_manager(
         :out_forward_service_discovery_watcher,
         configurations: configs,
         load_balancer: LoadBalancer.new(log),
diff --git a/lib/fluent/plugin_helper/service_discovery.rb b/lib/fluent/plugin_helper/service_discovery.rb
index 9e46c8bde1..c9143ac1c4 100644
--- a/lib/fluent/plugin_helper/service_discovery.rb
+++ b/lib/fluent/plugin_helper/service_discovery.rb
@@ -48,7 +48,7 @@ def start
       # @param configurations [Hash] hash which must has discivery_service type and its configuration like `{ type: :static, conf: <Fluent::Config::Element> }`
       # @param load_balancer [Object] object which has two methods #rebalance and #select_service
       # @param custom_build_method [Proc]
-      def create_service_discovery_manager(title, configurations:, load_balancer: nil, custom_build_method: nil, interval: 3)
+      def service_disovery_create_manager(title, configurations:, load_balancer: nil, custom_build_method: nil, interval: 3)
         @_plugin_helper_service_discovery_title = title
         @_plugin_helper_service_discovery_iterval = interval
 
diff --git a/test/plugin_helper/test_service_discovery.rb b/test/plugin_helper/test_service_discovery.rb
index ec16ca0402..a5e5bac7a5 100644
--- a/test/plugin_helper/test_service_discovery.rb
+++ b/test/plugin_helper/test_service_discovery.rb
@@ -11,7 +11,7 @@ class Dummy < Fluent::Plugin::TestBase
     helpers :service_discovery
 
     # Make these mehtod public
-    def create_service_discovery_manager(title, configurations:, load_balancer: nil, custom_build_method: nil, interval: 3)
+    def service_disovery_create_manager(title, configurations:, load_balancer: nil, custom_build_method: nil, interval: 3)
       super
     end
 
@@ -38,7 +38,7 @@ def discovery_manager
   test 'start discovery manager' do
     d = @d = Dummy.new
 
-    d.create_service_discovery_manager(
+    d.service_disovery_create_manager(
       :service_discovery_helper_test,
       configurations: [{ type: :static, conf:  config_element('root', '', {}, [config_element('service', '', { 'host' => '127.0.0.1', 'port' => '1234' })]) }],
     )
@@ -59,7 +59,7 @@ def discovery_manager
   test 'call timer_execute if dynamic configuration' do
     d = @d = Dummy.new
 
-    d.create_service_discovery_manager(
+    d.service_disovery_create_manager(
       :service_discovery_helper_test,
       configurations: [{ type: :file, conf: config_element('file_config', '', { 'path' => File.join(@sd_file_dir, 'config.yml') }) }],
     )