Index: /trunk/doc/manual/en_US/user_Installation.xml
===================================================================
--- /trunk/doc/manual/en_US/user_Installation.xml	(revision 53352)
+++ /trunk/doc/manual/en_US/user_Installation.xml	(revision 53353)
@@ -222,8 +222,11 @@
 
       <para>Mount the disk image (dmg) file as described in the normal
-      installation. Then open a terminal session and execute:</para>
-
-      <screen>sudo installer -pkg /Volumes/VirtualBox/VirtualBox.mpkg \
-      -target /Volumes/Macintosh\ HD</screen>
+      installation or use the following command line:</para>
+
+      <screen>hdiutil attach /path/to/VirtualBox-xyz.dmg</screen>
+
+      <para>Then open a terminal session and execute:</para>
+
+      <screen>sudo installer -pkg /Volumes/VirtualBox/VirtualBox.pkg -target /Volumes/Macintosh\ HD</screen>
     </sect2>
   </sect1>