diff --git a/tools/msvs/msi/WixUI_en-us.wxl b/tools/msvs/msi/WixUI_en-us.wxl
index 76ca68a1ee14f5..519024c727780d 100644
--- a/tools/msvs/msi/WixUI_en-us.wxl
+++ b/tools/msvs/msi/WixUI_en-us.wxl
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <WixLocalization Culture="en-us" xmlns="http://schemas.microsoft.com/wix/2006/localization">
-    <String Id="InstallDirDlgDescription">Choose a custom location or click Next to install</String>
+    <String Id="WelcomeDlgDescription">The Setup Wizard will install [ProductName] on your computer.&#xD;&#xA;&#xD;&#xA;WARNING: if you're upgrading from io.js v1.0.0 or v1.0.1, you must first uninstall these versions manually.</String>
+    <String Id="InstallDirDlgDescription">Choose a custom location or click Next to install.</String>
 </WixLocalization>