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-rw-r--r--DOCS/xml/en/ports.xml4
1 files changed, 3 insertions, 1 deletions
diff --git a/DOCS/xml/en/ports.xml b/DOCS/xml/en/ports.xml
index f83f60e73d..5f847cb84a 100644
--- a/DOCS/xml/en/ports.xml
+++ b/DOCS/xml/en/ports.xml
@@ -285,7 +285,9 @@ since QNX has only X <emphasis>emulation</emphasis> which is VERY slow. Use SDL.
distorted, try turning off hardware acceleration with
<option>-vo directx:noaccel</option>. Download
<ulink url="http://www.videolan.org/vlc/dx7headers.tgz">DirectX 7 header files</ulink>
- to compile the DirectX video output driver.</para>
+ to compile the DirectX video output driver. Furthermore you need to have
+ DirectX 7 or later installed for the DirectX video output driver to work.
+ </para>
<para><link linkend="vidix">VIDIX</link> now works under Windows as
<option>-vo winvidix</option>, although it is still experimental