diff --git a/README.md b/README.md
index df31134..963c835 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,6 @@ Soon some watchfaces ...
 
 Meanwhile I'm making an editor for images (WIP) :
 
-![preview](./watchy-image-editor/preview.png)
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+![preview](./watchy-image-editor/preview.png)
+
+To use : `python3 watchy-image-editor/main.py`
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