Merge pull request #3385 from codajo/patch-2

Update SA1600 to show inheritance example.

Author: sharwell

documentation/SA1600.md

@@ -44,6 +44,36 @@ public string JoinNames(string firstName, string lastName)
 }
 ```
 
+The next example shows a method that inherits documentation from a method in the base class:
+
+```csharp
+/// <summary>
+/// Example base class.
+/// </summary>
+class Vehicle 
+{
+  /// <summary>
+  /// Accelerates the vehicle.
+  /// </summary>
+  public virtual void Accelerate()
+  {                    
+    Console.WriteLine("Vehicle is accelerating");
+  }
+}
+
+/// <summary>
+/// Example derived class.
+/// </summary>
+class Car : Vehicle
+{
+  /// <inheritdoc/>
+  public override void Accelerate()
+  {
+    Console.Writeline("Car is accelerating");
+  }
+}
+```
+
 ## How to suppress violations
 
 ```csharp