diff --git a/compat.html b/compat.html
index c4d464e272a95ef7c84925a2834db1ab8adecfa1_Y29tcGF0Lmh0bWw=..547759aa9d7887825868af1f47254df216b0db55_Y29tcGF0Lmh0bWw= 100644
--- a/compat.html
+++ b/compat.html
@@ -125,7 +125,7 @@
 the program finishes running in the meantime).  See <a class="reference external" href="http://pypy.readthedocs.org/en/latest/cpython_differences.html#differences-related-to-garbage-collection-strategies">more details
 here</a>.</p>
 <p>Note that PyPy returns unused memory to the operating system if there
-is a madvise() system call (at least Linux, OS/X, BSD).  It is
+is a madvise() system call (at least Linux, OS/X, BSD) or on Windows.  It is
 important to realize that you may not see this in <tt class="docutils literal">top</tt>.  The unused
 pages are marked with <tt class="docutils literal">MADV_FREE</tt>, which tells the system &ldquo;if you
 need more memory at some point, grab this page&rdquo;.  As long as memory is
@@ -129,7 +129,7 @@
 important to realize that you may not see this in <tt class="docutils literal">top</tt>.  The unused
 pages are marked with <tt class="docutils literal">MADV_FREE</tt>, which tells the system &ldquo;if you
 need more memory at some point, grab this page&rdquo;.  As long as memory is
-plentiful, the <tt class="docutils literal">RES</tt> column in <tt class="docutils literal">top</tt> remains high.  (Exceptions to
+plentiful, the <tt class="docutils literal">RES</tt> column in <tt class="docutils literal">top</tt> might remains high.  (Exceptions to
 this rule are systems with no <tt class="docutils literal">MADV_FREE</tt>, where we use
 <tt class="docutils literal">MADV_DONTNEED</tt>, which forcefully lowers the <tt class="docutils literal">RES</tt>.  This includes
 Linux &lt;= 4.4.)</p>
diff --git a/source/compat.txt b/source/compat.txt
index c4d464e272a95ef7c84925a2834db1ab8adecfa1_c291cmNlL2NvbXBhdC50eHQ=..547759aa9d7887825868af1f47254df216b0db55_c291cmNlL2NvbXBhdC50eHQ= 100644
--- a/source/compat.txt
+++ b/source/compat.txt
@@ -115,7 +115,7 @@
 here`_.
 
 Note that PyPy returns unused memory to the operating system if there
-is a madvise() system call (at least Linux, OS/X, BSD).  It is
+is a madvise() system call (at least Linux, OS/X, BSD) or on Windows.  It is
 important to realize that you may not see this in ``top``.  The unused
 pages are marked with ``MADV_FREE``, which tells the system "if you
 need more memory at some point, grab this page".  As long as memory is
@@ -119,7 +119,7 @@
 important to realize that you may not see this in ``top``.  The unused
 pages are marked with ``MADV_FREE``, which tells the system "if you
 need more memory at some point, grab this page".  As long as memory is
-plentiful, the ``RES`` column in ``top`` remains high.  (Exceptions to
+plentiful, the ``RES`` column in ``top`` might remains high.  (Exceptions to
 this rule are systems with no ``MADV_FREE``, where we use
 ``MADV_DONTNEED``, which forcefully lowers the ``RES``.  This includes
 Linux <= 4.4.)