diff --git a/features.html b/features.html
index 7da22d5ebd79d22f9f6d3ccf199b3d93ab70f46a_ZmVhdHVyZXMuaHRtbA==..53b0a434ba2412d03ffa5afbf94f4c7fb9133870_ZmVhdHVyZXMuaHRtbA== 100644
--- a/features.html
+++ b/features.html
@@ -83,6 +83,6 @@
 <li><a class="reference external" href="http://en.wikipedia.org/wiki/IA-32">x86 (IA-32)</a></li>
 <li><a class="reference external" href="http://en.wikipedia.org/wiki/X86_64">x86_64</a></li>
 <li><a class="reference external" href="http://en.wikipedia.org/wiki/ARM">ARM</a> platforms</li>
-<li><a class="reference external" href="https://de.wikipedia.org/wiki/PowerPC">PPC</a> 64bit both little and big endian</li>
-<li><a class="reference external" href="https://de.wikipedia.org/wiki/System/390">s390x</a> running on Linux</li>
+<li><a class="reference external" href="https://de.wikipedia.org/wiki/PowerPC">PowerPC</a> 64bit both little and big endian</li>
+<li><a class="reference external" href="https://de.wikipedia.org/wiki/System/390">System Z (s390x)</a></li>
 </ul>
@@ -88,4 +88,5 @@
 </ul>
+<p>The x86 runs on several platforms such as Linux, MacOS X, Windows, FreeBSD. All others are only supported on Linux.</p>
 <p>If you are interested in helping to move forward, see our <a class="reference external" href="howtohelp.html">howtohelp</a> page.</p>
 <p>We also have a beta release of <strong>PyPy3</strong> which implements <strong>Python 3.2.5</strong>.
 It runs on the same platforms as above.</p>
diff --git a/source/features.txt b/source/features.txt
index 7da22d5ebd79d22f9f6d3ccf199b3d93ab70f46a_c291cmNlL2ZlYXR1cmVzLnR4dA==..53b0a434ba2412d03ffa5afbf94f4c7fb9133870_c291cmNlL2ZlYXR1cmVzLnR4dA== 100644
--- a/source/features.txt
+++ b/source/features.txt
@@ -21,7 +21,7 @@
 
 * `x86 (IA-32)`_
 * `x86_64`_ 
-* `ARM`_ platforms
-* `PPC`_ 64bit both little and big endian
-* `s390x`_ running on Linux
+* `ARM`_ platforms (ARMv6 or ARMv7, with VFPv3)
+* `PowerPC`_ 64bit both little and big endian
+* `System Z (s390x)`_
 
@@ -27,4 +27,6 @@
 
+PyPy's x86 version runs on several operating systems such on Linux 32/64, Mac OS X 64, Windows, OpenBSD, freebsd.
+All others are only supported on Linux.
 
 If you are interested in helping to move forward, see our `howtohelp`_ page.
 
@@ -35,8 +37,8 @@
 .. _`x86 (IA-32)`: http://en.wikipedia.org/wiki/IA-32
 .. _`x86_64`: http://en.wikipedia.org/wiki/X86_64
 .. _`ARM`: http://en.wikipedia.org/wiki/ARM
-.. _`PPC`: https://de.wikipedia.org/wiki/PowerPC
-.. _`s390x`: https://de.wikipedia.org/wiki/System/390
+.. _`PowerPC`: https://de.wikipedia.org/wiki/PowerPC
+.. _`System Z (s390x)`: https://de.wikipedia.org/wiki/System/390
 .. _`howtohelp`: howtohelp.html