Added to Overview.

ArtPad/Help/Overview.html

@@ -22,7 +22,7 @@ <h3>Installation</h3>
 <ul>
   <li>ArtPad.exe</li>
   <li>Newtonsoft.Json.dll</li>
-  <li>Newtonsoft.Json.dll</li>
+  <li>WindowsInput.dll</li>
   <li>Help</li>
 </ul>
 <p>To uninstall, just delete these files. </p>
@@ -74,7 +74,8 @@ <h3>KeyString</h3>
   </tr>
   <tr>
     <td>{</td>
-    <td>{{} (Similar for }) </td>
+    <td>                {{
+} (Similar for }) </td>
   </tr>
   <tr>
     <td>(</td>
@@ -88,6 +89,10 @@ <h3>KeyString</h3>
     <td>DEL or DELETE</td>
     <td>{DELETE} or {DEL}</td>
   </tr>
+  <tr>
+    <td>BACKSPACE</td>
+    <td>{BS} or {BKSP} or {BACKSPACE}</td>
+  </tr>
   <tr>
     <td>DOWN ARROW</td>
     <td>{DOWN} (Similar for UP, LEFT, RIGHT)</td>
@@ -182,7 +187,7 @@ <h3>TYPE</h3>
 <p><em>Onscreen Keyboards</em></p>
 <p>There are two onscreen keyboards you may want to consider.</p>
 <p>TabTip is the tablet keypad. In some applications it will come up automatically when you need to enter text, such as a file name for saving. Other applications don't support this feature, so you need a keypad. You can start TabTip with the following:</p>
-<pre>\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe 
+<pre>\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe
 </pre>
 <p>OSK is another onscreen keyboard that has come with Windows for some time. On 64-bit Windows 10, you should be able to use:</p>
 <pre>\windows\system32\osk.exe</pre>
@@ -272,3 +277,4 @@ <h3><a name="Troubleshooting" id="Troubleshooting"></a>Troubleshooting</h3>
 <p>&nbsp;</p>
 </body>
 </html>
+