diff --git a/Contrib/InstallOptions/Readme.html b/Contrib/InstallOptions/Readme.html
index b97be5d2..e9aef2ab 100644
--- a/Contrib/InstallOptions/Readme.html
+++ b/Contrib/InstallOptions/Readme.html
@@ -243,7 +243,7 @@ numbers from 1 to NumFields. Each Field section can contain the following values
       <td class="righttable">Specifies the state of the control. This is updated when the user
           closes the window, so you can read from it from NSIS. For edit texts and dir and file
           request boxes, this is the string that is specified. For radio button and check boxes,
-          this can be '0' or '1' (for unchecked or checked).
+          this can be '0' or '1' (for unchecked or checked). For list boxes, combo boxes and drop lists this is the selected items separated by pipes ('|').
         </td></tr>
     <tr>
       <td class="lefttable"><span class="bold">ListItems</span></td>