1 files changed, 1 insertions, 1 deletions
diff --git a/src/acos.c b/src/acos.c
index 294c463..b29e146 100644
--- a/src/acos.c
+++ b/src/acos.c
@@ -1,6 +1,6 @@
 /* mpc_acos -- arccosine of a complex number.
 
-Copyright (C) 2009, 2010, 2011, 2012 INRIA
+Copyright (C) 2009, 2010, 2011, 2012, 2020 INRIA
 
 This file is part of GNU MPC.