diff --git a/config_files/.vimrc b/config_files/.vimrc
index b7d5e22..2952a2a 100644
--- a/config_files/.vimrc
+++ b/config_files/.vimrc
@@ -55,9 +55,20 @@ set number
 " don't allow wrap
 set nowrap
 
-" using alternate buffer, ':b#', comes back to last file, and not explore buffer
+" using alternate buffer with Explore, ':b#'
+" =0 ot go back to explore buffer
+" =1 ot go back to last edited file
 " see :help g:netrw_altfile
-let g:netrw_altfile = 1
+" ! not good :
+"   with =1 the alternate buffer is not changed, so
+"   las edited file is not last file before Explore, but the previous one
+" use :Lexplore instead of :Explore
+"let g:netrw_altfile = 0
+
+" choose how to print list in :Explore window
+" =0 is default
+" =3 is tree style
+let g:netrw_liststyle = 3