diff --git a/help/CommandLine.html b/help/CommandLine.html
index 6b8b802d..be4383ea 100644
--- a/help/CommandLine.html
+++ b/help/CommandLine.html
@@ -48,7 +48,8 @@
 		NB. The Apple II+ already defaults to having a Language Card, so this switch is not required.<br><br>
 		-s&lt;N&gt; empty<br>
 		Remove any card from slot N (N=1-7).<br>
-		NB. '-s7 empty' is useful to allow a floppy disk to boot from slot 6, drive 1. Use in combination with -d1.<br><br>
+		NB. '-s7 empty' is useful to allow a floppy disk to boot from slot 6, drive 1. Use in combination with -d1.<br>
+		NB. '-s6 empty' persists this state to the Registry and there's currently no GUI option to re-insert a Disk II controller card into slot 6. So you must use '-s6 diskii' to re-enable the card in slot 6.<br><br>
 		-s1 parallel<br>
 		Insert a parallel printer card into slot 1.<br><br>
 		-s2 ssc<br>
diff --git a/help/Troubleshooting.html b/help/Troubleshooting.html
index 19087cbc..70890b2a 100644
--- a/help/Troubleshooting.html
+++ b/help/Troubleshooting.html
@@ -66,6 +66,7 @@
 			<ul>
 			<li>Windows 7 requires: 1181 x 808</li>
 			<li>Windows 10 (1909) requires: 1181 x 818</li>
+			<li>Windows 11 (23H2) requires: 1177 x 805</li>
 			</ul>
 		</ul>
 		
@@ -79,5 +80,14 @@
 		</ul>
 		<li>Finally set "Switch Keyboard Layout" to "Not Assigned".</li>
 		</ul>
+
+		How to reset AppleWin back to the default settings:
+		<ul>
+		<li>Within the AppleWin install folder there is the file: DELREG.INF.</li>
+		<ul>
+			<li>Windows 10/11: From Explorer, right click on this file, then select: Install</li>
+		</ul>
+		<li>This will remove all AppleWin configuration from the Registry.</li>
+		</ul>
 	</body>
 </html>