diff --git a/poly2tri/sweep/cdt.cc b/poly2tri/sweep/cdt.cc
index 8496aa1..4dfe6a6 100644
--- a/poly2tri/sweep/cdt.cc
+++ b/poly2tri/sweep/cdt.cc
@@ -1,5 +1,5 @@
 /*
- * Poly2Tri Copyright (c) 2009-2018, Poly2Tri Contributors
+ * Poly2Tri Copyright (c) 2009-2021, Poly2Tri Contributors
  * https://github.com/jhasse/poly2tri
  *
  * All rights reserved.
@@ -68,4 +68,4 @@ CDT::~CDT()
   delete sweep_;
 }
 
-}
+} // namespace p2t