Slight changes to our prerequisites page [ci skip].

doc/developer/prerequisites.html

@@ -43,9 +43,9 @@
                 <a href="https://www.qt.io/">Qt</a> 5.9.2 LTS: a cross-platform application and UI framework (<a href="https://www.qt.io/ide/">Qt Creator</a> is its supporting IDE):
 
                 <ul>
-                    <li><strong><a href="https://download.qt.io/official_releases/online_installers/qt-unified-windows-x86-online.exe">Windows</a></strong> (64-bit);</li>
-                    <li><strong><a href="https://download.qt.io/official_releases/online_installers/qt-unified-linux-x64-online.run">Linux</a></strong> (64-bit); and</li>
-                    <li><strong><a href = "https://download.qt.io/official_releases/online_installers/qt-unified-mac-x64-online.dmg">macOS</a></strong> (you might want to install Qt under <code>/Applications</code> rather than your home folder).</li>
+                    <li><strong><a href="https://download.qt.io/official_releases/online_installers/qt-unified-windows-x86-online.exe">Windows</a></strong>;</li>
+                    <li><strong><a href="https://download.qt.io/official_releases/online_installers/qt-unified-linux-x64-online.run">Linux</a></strong>; and</li>
+                    <li><strong><a href = "https://download.qt.io/official_releases/online_installers/qt-unified-mac-x64-online.dmg">macOS</a></strong>.</li>
                 </ul>
             </li>
             <li><a href="http://nsis.sourceforge.net/">NSIS</a> 3.01 (optional and Windows only): a program for creating Windows installers.</li>