diff --git a/sys/dshowsrcwrapper/BUILD.txt b/sys/dshowsrcwrapper/BUILD.txt
index 89c9d6b58a..80a6f46674 100644
--- a/sys/dshowsrcwrapper/BUILD.txt
+++ b/sys/dshowsrcwrapper/BUILD.txt
@@ -1,7 +1,9 @@
 
 == Dependencies ==
 
- * CMake (tested with 2.8)
+ * CMake (tested with 3.9, likely >=3.0 will work)
+
+ * GStreamer (1.8 or newer)
 
  * Microsoft SDK
    (http://www.microsoft.com/en-us/download/details.aspx?id=8279). Don't
@@ -18,18 +20,12 @@ First build the SDK "baseclasses" sample; they should have been
 installed in <SDK>/Samples/multimedia/directshow/baseclasses. Just
 open the SLN and build both Debug_MBCS and Release_MBCS.
 
-Install the GStreamer development files (for version 1.4.1):
-http://gstreamer.freedesktop.org/data/pkg/windows/1.4.1/. I use the 32
-bits version even on a 64 bits system because CMake 2.8 does not seem
-to be able to generate a 64 bits configuration yet. It's probably
-doable with CMake 3.x.
-
 Then go to sys/dshowsrcwrapper and use CMake to generate the project
-file for your choosen version of Visual. There are two influential
+file for your chosen version of Visual Studio. There are two influential
 variables:
 
  * GST_INSTALL_BASE: your GStreamer installation directory
-   (default C:\gstreamer\1.0\x86)
+   (default C:\gstreamer\1.0\x86 or C:\gstreamer\1.0\x86_64)
 
  * SDK_INSTALL_BASE: the Windows SDK installation path (default
    C:\Program Files\Microsoft SDKs\Windows\v7.0).