diff --git a/INSTALL.txt b/INSTALL.txt
index b43b6368c5a6edf8f08b4703be74655916ea5941..9bf00b8b36325b67521af47d5a1eef3bd51d9b9a 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -15,8 +15,8 @@ VERY IMPORTANT INSTALLATION ISSUES!
 ***********************************
 
 Note: 
-The master version will not work on 32bit computers and operating systems.
-Use the old OMDev for that, branch: OM116maintenance
+The master version will *only work* on 64bit computers and operating systems.
+If you have a 32bit computer, use the old OMDev, branch: OM116maintenance
 
 MSYS setting
 ============