diff --git a/README.md b/README.md
index a94b22b..ef834e6 100644
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+++ b/README.md
@@ -1,3 +1,7 @@
 # spawn-sticker
 
-A script that let you add stickers on top of HTML elements.
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+A script that let you add stickers on top of HTML elements. To make it works just add a `data-sticker` attribute to your element. The content of the sticker will be the value of the attribute.
+
+```html
+<div data-sticker='Hello'>World</div>
+```
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