diff --git a/C# Coding Standards and Naming Conventions.md b/C# Coding Standards and Naming Conventions.md
index 4af11b6..61afea7 100644
--- a/C# Coding Standards and Naming Conventions.md	
+++ b/C# Coding Standards and Naming Conventions.md	
@@ -412,6 +412,8 @@ public class BarcodeReadException : System.Exception
 }
 ```
 
+***Why: consistent with the Microsoft's .NET Framework and easy to read.***
+
 #### 26. Do use suffix Any, Is, Have or similar keywords for boolean identifier :
 
 ```csharp