Incorporated review comments

Author: eshanrnh

15/umbraco-commerce/how-to-guides/order-number-customization.md

@@ -10,8 +10,9 @@ In Umbraco Commerce, the default order number generation can be customized by im
 
 To create a custom order number generator, define a class that implements the `IOrderNumberGenerator` interface, for example, `CustomOrderNumberGenerator.cs`:
 
-{% code title="CustomOrderNumberGenerator.cs" %}
-```cs
+{% code title="`CustomOrderNumberGenerator.cs`" %}
+
+```csharp
 using Umbraco.Commerce.Core.Generators;
 
 public class CustomOrderNumberGenerator : IOrderNumberGenerator
@@ -27,6 +28,7 @@ public class CustomOrderNumberGenerator : IOrderNumberGenerator
     }
 }
 ```
+
 {% endcode %}
 
 ## Registering the Custom Implementation