Indicate Windows updates users need to run us

Cf. 8faa1bc6 and
79383148.

Change-Id: I78457690aa719dc0dd7062c274dd8ae90453066e

readlicense_oo/docs/readme.xrm

@@ -41,7 +41,7 @@
 			<div class="WIN" id="SystemRequirements_WIN">
 				<ul>
 					<li>
-						<p id="s2s3sdf21" xml:lang="en-US">Microsoft Windows 7, 8.x, or 10</p>
+						<p id="s2s3sdf21" xml:lang="en-US">Microsoft Windows 7 SP1, 8, 8.1 Update (S14) or 10</p>
 					</li>
 				</ul>
 				<p class="note" id="edssc3d" xml:lang="en-US">Please be aware that administrator rights are needed for the installation process.</p>