fixup! Help: Add custom button tutorial

Author: ge0rdi

Src/Localization/English/OpenShellTOC.hhc

@@ -55,7 +55,14 @@
 <LI> <OBJECT type="text/sitemap">
 <param name="Name" value="Custom Start Button">
 <param name="Local" value="StartMenu.html#button">
+<param name="ImageNumber" value="1">
 </OBJECT>
+<UL>
+<LI> <OBJECT type="text/sitemap">
+<param name="Name" value="Custom Start Buttons Tutorial">
+<param name="Local" value="ButtonTutorial.html#button_tutorial">
+</OBJECT>
+</UL>
 <LI> <OBJECT type="text/sitemap">
 <param name="Name" value="Localization">
 <param name="Local" value="StartMenu.html#localization">