diff --git a/drivers/laplacian.c b/drivers/laplacian.c
index d015b7b627462df839d0da77019634e4bc1521c8..3de05664c36bb98f29d5ee416756eedef1599b47 100644
--- a/drivers/laplacian.c
+++ b/drivers/laplacian.c
@@ -1,4 +1,5 @@
 /**
+ *
  * @file laplacian.c
  *
  * @copyright 2011-2017 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria,