diff --git a/ChangeLog b/ChangeLog
index baaeeb6b59..495a72c6e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2003-02-04  Jean-Marc Lasgouttes  <Jean-Marc.Lasgouttes@inria.fr>
 
+	* INSTALL: mention python 1.5.2.
+
 	* NEWS: add entry for LyX 1.2.3
 
 	* UPGRADING: update for 1.3.0
diff --git a/INSTALL b/INSTALL
index 153802705e..1c548835e5 100644
--- a/INSTALL
+++ b/INSTALL
@@ -91,8 +91,7 @@ To use the thesaurus, you will need to install libAikSaurus, available
 from:
     http://aiken.clan11.com/aiksaurus/ 
  
-Finally, the two following programs should be available at
-configuration time:
+The two following programs should be available at configuration time:
 
   o Perl (at least 5.002) is needed for the reLyX script. reLyX will
     not be installed if perl is not found.  If the environment
@@ -105,6 +104,10 @@ configuration time:
     as. Otherwise, LyX will not be able to run a number of tests. Note
     that users can run these tests manually with Edit>Reconfigure.
 
+Finally, you will need to have python 1.5.2 or newer installed to be
+able to import older LyX files with the lyx2lyx script (this script is
+called automatically when opening a file).
+
 
 Creating the Makefile
 ---------------------