diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 72d6c46782..8e36df1bcc 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -15,7 +15,7 @@
       f.microphone  :none
       f.usb         :none
       f.fullscreen  :self
-      f.payment     :self, "https://secure-example.com"
+      f.payment     :self, "https://secure.example.com"
     end
     ```
 
diff --git a/actionpack/lib/action_controller/metal/feature_policy.rb b/actionpack/lib/action_controller/metal/feature_policy.rb
index eecca20dda..a627eabea6 100644
--- a/actionpack/lib/action_controller/metal/feature_policy.rb
+++ b/actionpack/lib/action_controller/metal/feature_policy.rb
@@ -19,7 +19,7 @@ module ActionController #:nodoc:
   #     f.microphone  :none
   #     f.usb         :none
   #     f.fullscreen  :self
-  #     f.payment     :self, "https://secure-example.com"
+  #     f.payment     :self, "https://secure.example.com"
   #   end
   #
   #   # Controller level policy
diff --git a/railties/lib/rails/generators/rails/app/templates/config/initializers/feature_policy.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/initializers/feature_policy.rb.tt
index 355c7bd62a..a1c46695d2 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/initializers/feature_policy.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/initializers/feature_policy.rb.tt
@@ -7,5 +7,5 @@
 #   f.microphone  :none
 #   f.usb         :none
 #   f.fullscreen  :self
-#   f.payment     :self, "https://secure-example.com"
+#   f.payment     :self, "https://secure.example.com"
 # end