diff --git a/README.md b/README.md
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+++ b/README.md
@@ -214,8 +214,10 @@ Mediator class diagram, while it is hard to make a generic one, as it can vary,
 * Don't know
 
 ### f. Examples
+[StockExchangeMediator]: https://github.com/MihaiTheCoder/BehavioralPatterns/blob/master/BehavioralPatternsDiagrams/Mediator/AirTraficControllerClassDiagram.PNG "stock exchange mediator class diagram"
 * StockExchange example: Starting class: StockExchange.StockExchangeExample
 	* Have multiple traders Buy/Sell actions from stock exchange (simplified)
+	* Classs diagram: ![alt text][StockExchangeMediator]
 * Ground-Air traffic control example: Starting class: GroupAirTrafficControl.GroundAirTrafficControlExample
 	* Have 4 planes that want to land on an airport, the airport has 4 lines (one not working). 
 	They all talk to air traffic control(mediator) to ask permission to land, instead of talking to each other