diff --git a/index.js b/index.js
index f3225f8..c73930e 100644
--- a/index.js
+++ b/index.js
@@ -69,7 +69,7 @@ switch (os.platform()) {
         break;
         
     default:
-        console.warn("node-macaddress: Unkown os.platform(), defaulting to `unix'.");
+        console.warn("node-macaddress: Unknown os.platform(), defaulting to 'unix'.");
         _getMacAddress = require('./lib/unix.js');
         break;