Changed message on the linux download page on the website

git-svn-id: https://dng.biozentrum.unibas.ch/svn/openstructure/trunk@1758 5a81b35b-ba03-0410-adc8-b2c5c5119f08

website/raw/linuxdownload.mkdown

@@ -36,7 +36,8 @@ a command line terminal, type:
         ./ost
         
 Note
-:   The package has been created on a 32bit machine (but should work also on 64 bit machines).
+:   The package has been created on a 32bit machine (but should work also on 64 bit machines, provided
+that the correct 32-bit compatibility libraries are installed).
 The following Linux distributions are supported:
 
 * Ubuntu 9.10