Apply suggestions from code review

Author: guardrex

aspnetcore/fundamentals/configuration/options.md

@@ -108,19 +108,19 @@ In the preceding code, by default, changes to the JSON configuration file after
 
 <a name="named"></a>
 
-## Specify a custom key name for a configuration property using ConfigurationKeyName
+## Specify a custom key name for a configuration property using `ConfigurationKeyName`
 
-By default, the property names of the Options class are used as the key name in the configuration source. For example, if the property name is `Title`, the key name in the configuration is `Title` as well.
+By default, the property names of the options class are used as the key name in the configuration source. If the property name is `Title`, the key name in the configuration is `Title` as well.
 
-When the names differentiate, you can use [`ConfigurationKeyName` attribute](xref:Microsoft.Extensions.Configuration.ConfigurationKeyNameAttribute) to specify the key name in the configuration source. Using this technique, you can map a property in the configuration to one in your code with a different name. 
+When the names differentiate, you can use the [`ConfigurationKeyName` attribute](xref:Microsoft.Extensions.Configuration.ConfigurationKeyNameAttribute) to specify the key name in the configuration source. Using this technique, you can map a property in the configuration to one in your code with a different name. 
 
-This is useful when the property name in the configuration source is not a valid C# identifier, or when you want to use a different name in your code.
+This is useful when the property name in the configuration source is not a valid C# identifier or when you want to use a different name in your code.
 
-For example, consider the following Options class:
+For example, consider the following options class:
 
 :::code language="csharp" source="~/fundamentals/configuration/options/samples/6.x/OptionsSample/Models/PositionOptionsWithConfigurationKeyName.cs" id="snippet":::
 
-With the following `appsettings.json`, the `Title` and `Name` class properties are bound to the `position-title` and `position-name` from the `appsettings.json` file:
+The `Title` and `Name` class properties are bound to the `position-title` and `position-name` from the following `appsettings.json` file:
 
 :::code language="json" source="~/fundamentals/configuration/options/samples/6.x/OptionsSample/appsettings.KN.json":::
 

aspnetcore/fundamentals/configuration/options/samples/6.x/OptionsSample/Models/PositionOptionsWithConfigurationKeyName.cs

@@ -6,10 +6,10 @@ public class PositionOptionsWithConfigurationKeyName
         public const string Position = "Position";
 
         [ConfigurationKeyName("position-title")]
-        public string Title { get; set; } = String.Empty;
+        public string Title { get; set; } = string.Empty;
 
         [ConfigurationKeyName("position-name")]
-        public string Name { get; set; } = String.Empty;
+        public string Name { get; set; } = string.Empty;
     }
     #endregion
 }