diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1,7 +1,7 @@
 # node-pcsclite
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-Bindings over pcsclite to access Smart Cards
+Bindings over pcsclite to access Smart Cards. Starting with version **0.4.0** it works in **Linux**, **OS X** and **Windows**.
 
 ## Installation