diff --git a/.vimrc_vundle b/.vimrc_vundle
index b7caef4..a6279c1 100755
--- a/.vimrc_vundle
+++ b/.vimrc_vundle
@@ -413,15 +413,24 @@ set laststatus=2
 " affiche les touches en mode commande
 set showcmd
 
-"             _\|/_
-"             (o o)
-"   <~~~~~~oOO-{_}-OOo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>
-"   |                                                                          |
-"   |  numéro de ligne                                                        |
-"   |                                                                          |
-"   <~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>
-"            (_) (_)
+  "             _\|/_
+  "             (o o)
+  "   <~~~~~~oOO-{_}-OOo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>
+  "   |                                                                          |
+  "   |  numéro de ligne                                                        |
+  "   |  + relative number                                                       |
+  "   |  + auto switch relative/absolute                                         |
+  "   |  https://jeffkreeftmeijer.com/vim-number/                                |
+  "   |                                                                          |
+  "   <~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~>
+  "            (_) (_)
 set number
+augroup numbertoggle
+  autocmd!
+  autocmd BufEnter,FocusGained,InsertLeave,WinEnter * if &nu && mode() != "i" | set rnu   | endif
+  autocmd BufLeave,FocusLost,InsertEnter,WinLeave   * if &nu                  | set nornu | endif
+augroup END
+
 highlight LineNr ctermbg=black ctermfg=gray
 
 """""""""""""""""""