diff --git a/assets/javascripts/lunr/lunr.pt.js b/assets/javascripts/lunr/lunr.pt.js
index f50fc9f..59e766f 100644
--- a/assets/javascripts/lunr/lunr.pt.js
+++ b/assets/javascripts/lunr/lunr.pt.js
@@ -1 +1,17 @@
+/*!
+ * Lunr languages, `Portuguese` language
+ * https://github.com/MihaiValentin/lunr-languages
+ *
+ * Copyright 2014, Mihai Valentin
+ * http://www.mozilla.org/MPL/
+ */
+/*!
+ * based on
+ * Snowball JavaScript Library v0.3
+ * http://code.google.com/p/urim/
+ * http://snowball.tartarus.org/
+ *
+ * Copyright 2010, Oleg Mazko
+ * http://www.mozilla.org/MPL/
+ */
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