diff --git a/README.md b/README.md
index b8cb8a0..501da81 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,5 @@ https://tinchicus.com/2022/09/26/rust-listado-del-curso-inicial/
 - https://tinchicus.com/2022/06/09/rust-hash-map/ (mapeo)
 - https://tinchicus.com/2022/06/10/rust-slice/ (slices)
 - https://tinchicus.com/2022/06/13/rust-pasando-valores/ (porvalor y porreferencia)
-- 
\ No newline at end of file
+- https://tinchicus.com/2022/06/14/rust-la-libreria-std/
+- https://tinchicus.com/2022/06/15/rust-println/ (println)
\ No newline at end of file