diff --git a/addons/document/__terp__.py b/addons/document/__terp__.py
index 27c917f3deb..015f7e8a3bb 100644
--- a/addons/document/__terp__.py
+++ b/addons/document/__terp__.py
@@ -29,6 +29,12 @@
     * FTP Interface
     * User Authentication
     * Document Indexation
+
+    ATTENTION: 
+    - When you install this module in a running company that have already PDF files stored into the database, 
+      you will lose them all. 
+    - After installing this module PDF's are not longer stored into the database, 
+      but in the servers rootpad like /server/bin/filestore.
 """,
     'author': 'Tiny',
     'website': 'http://www.openerp.com',