diff --git a/mouse.md b/mouse.md
index 6bfa6be..65035d0 100644
--- a/mouse.md
+++ b/mouse.md
@@ -6,3 +6,9 @@
 * [mouse.dblclick](mouse.dblclick)
 * [mouse.discard](mouse.discard)
 * [mouse.inside](mouse.inside)
+
+## Constants per al mouse
+
+* mouse.LEFT
+* mouse.MIDDLE
+* mouse.RIGHT
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