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@@ -1255,7 +1255,7 @@ github.com style (c) Vasily Polovnyov <vast@whiteants.net>
 </ul>
 </li>
 <li><a href="#updating-system-software">Updating system software</a></li>
-<li><a href="#updating-rstudio-and-rstudio-server">Updating RStudio and RStudio Server</a></li>
+<li><a href="#updating-r-rstudio-desktop-and-rstudio-server">Updating R, RStudio Desktop, and RStudio Server</a></li>
 <li><a href="#scheduling-a-restart">Scheduling a restart</a></li>
 <li><a href="#adding-a-drive">Adding a drive</a></li>
 <li><a href="#logging">Logging</a></li>
@@ -1550,8 +1550,16 @@ slmgr -ato
 </ul>
 </li>
 </ul>
-<h3 id="updating-rstudio-and-rstudio-server">Updating RStudio and RStudio Server</h3>
-<p>-<code>script-system-update-r</code></p>
+<h3 id="updating-r-rstudio-desktop-and-rstudio-server">Updating R, RStudio Desktop, and RStudio Server</h3>
+<ul>
+<li><code>script-system-update-r</code> <code>R_VERSION</code> <code>RSTUDIO_VERSION</code>
+<ul>
+<li>Example <code>R_VERSION</code>: <code>4.1.2</code></li>
+<li>Example <code>RSTUDIO_VERSION</code>: <code>2021.09.1-372</code></li>
+<li>Links to latest available <a href="https://docs.rstudio.com/resources/install-r/">R</a> and <a href="https://www.rstudio.com/products/rstudio/download/#download">RStudio</a> versions</li>
+</ul>
+</li>
+</ul>
 <h3 id="scheduling-a-restart">Scheduling a restart</h3>
 <ul>
 <li><code>script-system-scheduled-restart</code> <em><code>OnCalendar</code></em>