diff --git a/lib/models/data-model.js b/lib/models/data-model.js
index c3966036..4c0aeafd 100644
--- a/lib/models/data-model.js
+++ b/lib/models/data-model.js
@@ -66,7 +66,7 @@ function convertNullToNotFoundError(ctx, cb) {
 
   var modelName = ctx.method.sharedClass.name;
   var id = ctx.getArgByName('id');
-  var msg = 'Unkown "' + modelName + '" id "' + id + '".';
+  var msg = 'Unknown "' + modelName + '" id "' + id + '".';
   var error = new Error(msg);
   error.statusCode = error.status = 404;
   cb(error);