diff --git a/Singleton/README.md b/Singleton/README.md
index 140c4a1..e85703a 100644
--- a/Singleton/README.md
+++ b/Singleton/README.md
@@ -11,3 +11,7 @@ To have only one instance of this object in the application that will handle all
 * DB Connector
 * Logger (may also be a Multiton if there are many log files for several purposes)
 * Lock file for the application (there is only one in the filesystem ...)
+
+## Diagram
+
+<img src="http://yuml.me/diagram/scruffy/class/[Singleton|-instance: Singleton|+getInstance(): Singleton;-__construct(): void;-__clone(): void;-__wakeup(): void]" >
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