diff --git a/doc/intro.rst b/doc/intro.rst
index 43ac353a1..2c48b5017 100644
--- a/doc/intro.rst
+++ b/doc/intro.rst
@@ -107,13 +107,11 @@ Or manually like any other PHP extension:
 
 For Windows:
 
-1. Setup the build environment following the `PHP documentation`_;
-2. Use the ``configure --disable-all --enable-cli --enable-twig=shared``
-command instead of step 14;
-3. ``nmake``;
-4. Copy the
-``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\Release_TS\php_twig.dll``
-file to your PHP setup.
+1. Setup the build environment following the `PHP documentation`_
+2. Put twig C extension source code into ``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\ext\twig``
+3. Use the ``configure --disable-all --enable-cli --enable-twig=shared`` command instead of step 14
+4. ``nmake``
+5. Copy the ``C:\php-sdk\phpdev\vcXX\x86\php-source-directory\Release_TS\php_twig.dll`` file to your PHP setup.
 
 .. tip::