add nano tutorial link

a7e8b6bc · Sergio Coronado · 01b72007 · a7e8b6bc
Commit a7e8b6bc authored Jun 17, 2015 by Sergio Coronado
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@

 ## Text editor
 ***
-* nano
+* nano [Tutorial](http://linuxcommand.org/lc3_adv_mc.php)
 * Others, like vim, emacs, Atom, Sublime, etc…

 ## File System explore