[install-guide] Added mention of mount point drop down menu

[Jack Reed]

commit 552d9ce056b6b009f7420d89b1b50d4ff7878a4b
Author: Jack Reed <jreed at redhat.com>
Date:   Mon May 20 16:05:05 2013 +1000

    Added mention of mount point drop down menu

 .../Disk_Partitioning_Graphical_common-para-1.xml  |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/en-US/Disk_Partitioning_Graphical_common-para-1.xml b/en-US/Disk_Partitioning_Graphical_common-para-1.xml
index c3b13a2..14953d4 100644
--- a/en-US/Disk_Partitioning_Graphical_common-para-1.xml
+++ b/en-US/Disk_Partitioning_Graphical_common-para-1.xml
@@ -4,6 +4,6 @@
 %BOOK_ENTITIES;
 ]>
 <para>
-	Alternatively, create individual partitions using the <guibutton>+</guibutton> button at the bottom of the pane. The <guilabel>Add a New Mount Point</guilabel> dialog will open. Enter a path for the mount point (for example, enter <filename>/</filename> for the root partition, <filename>/boot</filename> for the boot partition, and so on) and the desired size of the partition in megabytes or gigabytes (for example, type "2GB" to create a 2 gigabyte partition). After entering these details, click <guibutton>Add a mount point</guibutton>. This action creates the partition.
+	Alternatively, create individual partitions using the <guibutton>+</guibutton> button at the bottom of the pane. The <guilabel>Add a New Mount Point</guilabel> dialog will open. Type a path for the mount point or select one from the drop-down menu (for example, enter <filename>/</filename> for the root partition, <filename>/boot</filename> for the boot partition, and so on). Enter the desired size of the partition in megabytes or gigabytes (for example, type "2GB" to create a 2 gigabyte partition). After entering these details, click <guibutton>Add a mount point</guibutton>. This action creates the partition.
 </para>