diff --git a/docs/nmap-install.xml b/docs/nmap-install.xml
index 666856b39..eb13c8602 100644
--- a/docs/nmap-install.xml
+++ b/docs/nmap-install.xml
@@ -819,7 +819,7 @@ given in <xref linkend="inst-win-exec"/>.</para></listitem>
 <para>Most Windows users prefer to use the Nmap binary self-installer,
 but compilation from source code is an option, particularly if you plan to help with Nmap development.  Compilation requires
 Microsoft Visual C++ 2008, which is part of their commercial Visual Studio suite.  Any of the Visual Studio editions should work, including the free <ulink
-url="http://www.microsoft.com/express/vc/">Visual C++ 2008 Express</ulink>.</para>
+url="http://www.microsoft.com/express/vc/">Visual C++ 2008 Express SP1</ulink>.</para>
 
 <orderedlist id="nmap-install-windows-compile-from-source"><title>Compiling Nmap on Windows from Source</title>