diff --git a/config_files/.vimrc b/config_files/.vimrc
index 336d6a6..456f413 100644
--- a/config_files/.vimrc
+++ b/config_files/.vimrc
@@ -57,6 +57,16 @@ set nowrap
 
 
 
+"---------------------------------------------------------------
+" to use the syntax highlight of .hpp on .tpp files
+"---------------------------------------------------------------
+"https://beerpla.net/2008/04/02/how-to-add-a-vim-file-extension-to-syntax-highlighting/
+
+filetype on
+au BufNewFile,BufRead *.tpp set filetype=cpp
+
+
+
 "---------------------------------------------------------------
 " pour pouvoir utiliser la norminette partout
 "---------------------------------------------------------------
diff --git a/tutos/vim.txt b/tutos/vim.txt
index f6db6f5..6ae8795 100644
--- a/tutos/vim.txt
+++ b/tutos/vim.txt
@@ -1,9 +1,3 @@
-/SYNTAX/
-to create a new syntax file, just copy an existing one :
-	cp /usr/share/vim/vimXX/syntax/extension.vim ~/.vim/syntax/
-and change the name to match the extension
-and change the content to whatever you want
-
 /MODE INSERTION/
 **i** mode insertion avant le curseur
 **I** mode insertion au debut de la ligne
@@ -153,4 +147,12 @@ replacement2:	**vim old %** va a la toute premiere occurence de 'old'
 			tres important pour que la fonction se réecrive a chaque
 			fois, sinon conflit
 
+/SET SYNTAX FOR A FILE WITH EXTENSION NOT RECOGNIZE/
+/in case the syntax already exist/
+/like .tpp files with same syntax than .hpp, that have same syntax than .cpp/
+/.hpp files are detected but not .tpp files/
+**:set syntax=cpp** say to use cpp syntax
+**in .vimrc :**	filetype on
+				au BufNewFile,BufRead *.tpp set filetype=cpp
+