diff --git a/src/CompositionHelper.js b/src/CompositionHelper.js
index 46bdab91..eeadd83a 100644
--- a/src/CompositionHelper.js
+++ b/src/CompositionHelper.js
@@ -1,3 +1,8 @@
+/**
+ * xterm.js: xterm, in the browser
+ * Copyright (c) 2016, SourceLair Limited <www.sourcelair.com> (MIT License)
+ */
+
 /**
  * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend
  * events, displaying the in-progress composition to the UI and forwarding the final composition