diff --git a/INSTALL b/INSTALL
index d71729e478..afd8496544 100644
--- a/INSTALL
+++ b/INSTALL
@@ -5,14 +5,14 @@ Prerequisites
 -------------
 
  * Python 2.4 or later (http://www.python.org/)
- * trytond 0.0.x (http://www.tryton.org/)
+ * trytond 1.1.x (http://www.tryton.org/)
  * trytond_analytic_account (http://www.tryton.org/)
  * trytond_analytic_invoice (http://www.tryton.org/)
 
 Installation
 ------------
 
-Once you've downloaded and unpacked a trytond_analytic_purchase source release, enter the
+Once you've downloaded and unpacked the trytond_analytic_purchase source release, enter the
 directory where the archive was unpacked, and run:
 
     python setup.py install