diff --git a/README b/README
index 1a535cdb2c..deb12c2559 100644
--- a/README
+++ b/README
@@ -156,7 +156,7 @@ details.
 Supported Platforms
 -------------------
 
-GnuCash 3.x is known to work with the following operating systems:
+GnuCash 5.x is known to work with the following operating systems:
 
 GNU/Linux             -- x86, Sparc, PPC
 FreeBSD               -- x86