diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/Localization/MyProjectName/en.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/Localization/MyProjectName/en.json
index 3d50fcb332..d2a6a9831e 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/Localization/MyProjectName/en.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/Localization/MyProjectName/en.json
@@ -3,7 +3,6 @@
   "texts": {
     "Menu:Home": "Home",
     "Welcome": "Welcome",
-    "LongWelcomeMessage": "Welcome to the application. This is a startup project based on the ABP framework. For more information, visit abp.io.",
-    "SocialSecurityNumber": "Social security no"
+    "LongWelcomeMessage": "Welcome to the application. This is a startup project based on the ABP framework. For more information, visit abp.io."
   }
 }
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/MyProjectNameModuleExtensionConfigurator.cs b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/MyProjectNameModuleExtensionConfigurator.cs
index a16565251b..61795eb4e5 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/MyProjectNameModuleExtensionConfigurator.cs
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Domain.Shared/MyProjectNameModuleExtensionConfigurator.cs
@@ -1,6 +1,5 @@
 using System.ComponentModel.DataAnnotations;
 using Volo.Abp.Identity;
-using Volo.Abp.Localization;
 using Volo.Abp.ObjectExtending;
 using Volo.Abp.Threading;
 
@@ -36,46 +35,38 @@ namespace MyCompanyName.MyProjectName
              */
         }
 
-        public static void ConfigureExtraProperties()
+        private static void ConfigureExtraProperties()
         {
-            OneTimeRunner.Run(() =>
-            {
-                ObjectExtensionManager.Instance.Modules()
-                    .ConfigureIdentity(identity =>
-                    {
-                        identity.ConfigureUser(user =>
-                        {
-                            user.AddOrUpdateProperty<string>( //property type: string
-                                "SocialSecurityNumber", //property name
-                                property =>
-                                {
-                                    //validation rules
-                                    property.Attributes.Add(new RequiredAttribute());
-                                    property.Attributes.Add(
-                                        new StringLengthAttribute(64) {
-                                            MinimumLength = 4
-                                        }
-                                    );
+            /* You can configure extra properties for the
+             * entities defined in the modules used by your application.
+             *
+             * This class can be used to define these extra properties
+             * with a high level, easy to use API.
+             *
+             * Example: Add a new property to the user entity of the identity module
 
-                                    property.UI.OnTable.IsVisible = false;
+               ObjectExtensionManager.Instance.Modules()
+                  .ConfigureIdentity(identity =>
+                  {
+                      identity.ConfigureUser(user =>
+                      {
+                          user.AddOrUpdateProperty<string>( //property type: string
+                              "SocialSecurityNumber", //property name
+                              property =>
+                              {
+                                  //validation rules
+                                  property.Attributes.Add(new RequiredAttribute());
+                                  property.Attributes.Add(new StringLengthAttribute(64) {MinimumLength = 4});
 
-                                    property.Validators.Add(context =>
-                                    {
-                                        if (((string) context.Value).StartsWith("B"))
-                                        {
-                                            context.ValidationErrors.Add(
-                                                new ValidationResult(
-                                                    "Social security number can not start with the letter 'B', sorry!",
-                                                    new[] {"extraProperties.SocialSecurityNumber"}
-                                                )
-                                            );
-                                        }
-                                    });
-                                }
-                            );
-                        });
-                    });
-            });
+                                  //...other configurations for this property
+                              }
+                          );
+                      });
+                  });
+
+             * See the documentation for more:
+             * https://docs.abp.io/en/latest/Module-Entity-Extensions
+             */
         }
     }
 }