diff --git a/README.md b/README.md
index d61c695..67978a6 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Tetris 
 
+    https://stackoverflow.com/questions/21002224/add-a-background-image-to-shape-in-xml-android
+
 ## Autheur :
 
     - Enzo Jolys