diff --git a/module2/exo1/toy_document_en b/module2/exo1/toy_document_en
index 0119720d909a9c2aa1d65ecaa26e1795b4ddd8d8..8108e81e14cc289bd3724c6163e4e19e56af3fcf 100644
--- a/module2/exo1/toy_document_en
+++ b/module2/exo1/toy_document_en
@@ -1,5 +1,7 @@
 ---
 title: "On the computation of pi"
+Author: Pedro Mota
+Date: 14.01.2021
 output:
   html_document:
     df_print: paged