diff --git a/panda/src/doc/howto.install_panda_on_windows b/panda/src/doc/howto.install_panda_on_windows
index 0a69cdc611..e8bea772c8 100644
--- a/panda/src/doc/howto.install_panda_on_windows
+++ b/panda/src/doc/howto.install_panda_on_windows
@@ -54,8 +54,9 @@ Step 1: Install Visual C++ (v6.0)
     Install from CD, or by running V:\msdn-apr01\setup.exe
   
 Step 2: Install MS Platform SDK to get updated VC libs and headers
-  - Install MS Platform SDK MSDN CD in default location.
-  - Run v:\platform-sdk\setup.exe, or install from July 2000 or newer CD
+  - Install MS Platform SDK MSDN CD in default location. 
+  - Run v:\platform-sdk\setup.exe, or install from a (Feb/Jul/Oct) 2000 Platform SDK CD
+    Do not use a Feb 2001 or newer release, since it will be missing DX7 d3dim.lib
     This should prepend the Platform SDK paths to your PATH,INCLUDE, and
     LIB dirs.  Building libpandadx requires this step (needs DX7 headers/libs)