diff --git a/README.markdown b/README.markdown
index d522204..d6b32c2 100644
--- a/README.markdown
+++ b/README.markdown
@@ -94,6 +94,13 @@ functionalities including:
 
 ### Installation
 
+Todo.txt-vim is a filetype plugin, make sure that your vimrc contains :
+
+```vim
+syntax on
+filetype plugin on
+```
+
 #### Vizardry
 
 If you have [Vizardry](https://github.com/dbeniamine/vizardry) installed,
diff --git a/doc/todo.txt b/doc/todo.txt
index a561db0..468301e 100644
--- a/doc/todo.txt
+++ b/doc/todo.txt
@@ -102,6 +102,11 @@ by David Beniamine.
 
 2.3 Installation                                         *TodoTxt-Installation*
 
+Todo.txt-vim is a filetype plugin, make sure that your vimrc contains :
+>
+    syntax on
+    filetype plugin on
+<
 + Vizardry
 
     If you have Vizardry(https://github.com/dbeniamine/vizardry) installed,