diff --git a/DocGen4/Output/SourceLinker.lean b/DocGen4/Output/SourceLinker.lean
index 3152dd0..68f2a13 100644
--- a/DocGen4/Output/SourceLinker.lean
+++ b/DocGen4/Output/SourceLinker.lean
@@ -1,3 +1,8 @@
+/-
+Copyright (c) 2022 Henrik Böving. All rights reserved.
+Released under Apache 2.0 license as described in the file LICENSE.
+Authors: Henrik Böving
+-/
 import Lean
 import Lake