corrected info about power users

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5487 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/MultiUser/Readme.html

@@ -64,7 +64,7 @@
                 Administrator privileges are required
             </td>
             <td>
-                Installation of drivers, hardware management
+                Access data of all users accounts
             </td>
         </tr>
         <tr>
@@ -77,7 +77,7 @@
             </td>
             <td>
                 Installation for all users (writing to &quot;Program Files&quot; or HKLM registry
-                keys)
+                keys), driver installation
             </td>
         </tr>
         <tr>