diff --git a/docs/win32-compilation.html b/docs/win32-compilation.html
index cb63273..7dcf454 100644
--- a/docs/win32-compilation.html
+++ b/docs/win32-compilation.html
@@ -96,6 +96,10 @@ The following build options may be used:
     <td>Release(default), or Debug</td>
     </tr>
   <tr>
+    <td>CPU</td>
+    <td>Processor description: x64, x86, AMD64, etc.</td>
+    </tr>
+  <tr>
     <td>PG_INC</td>
     <td>$(PROGRAMFILES)\PostgreSQL\9.2\include</td>
     </tr>