Update strings for enable dev features UI.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 2751 matching lines @@
   <message name="IDS_ENABLE_DEBUGGING_SCREEN_ROOTFS_REMOVE_MSG" desc="Text shown on enable debugging features screen below warning messages if device needs extra restart before powerwash.">
     A removal of rootfs protection and restart is required before enabling other debugging features.
   </message>
   <message name="IDS_ENABLE_DEBUGGING_REMOVE_ROOTFS_BUTTON" desc="Button for rootfs protection removal shown on enable debugging dialog.">
     Proceed
   </message>
   <message name="IDS_ENABLE_DEBUGGING_ENABLE_BUTTON" desc="Button for enabling debugging features shown on enable debugging dialog.">
     Enable
   </message>
   <message name="IDS_ENABLE_DEBUGGING_SETUP_MESSAGE" desc="Setup message in dialog for enabling debugging features.">
-   You are enabling Chrome OS debugging features which will setup sshd daemon and enable booting from USB drives.
+   You are enabling Chrome OS debugging features which will set up sshd daemon and enable booting from USB drives.
   </message>
   <message name="IDS_ENABLE_DEBUGGING_DONE_MESSAGE" desc="Completion message in dialog for enabling debugging features.">
     You have successfully enabled debugging features on this <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device.
   </message>
   <message name="IDS_ENABLE_DEBUGGING_ERROR_MESSAGE" desc="Error message when enabling of debugging features fails.">
     Something went wrong. The debugging features were not completely enabled on this <ph name="IDS_SHORT_PRODUCT_NAME">$1<ex>Chrome</ex></ph> device.
   </message>
   <message name="IDS_ENABLE_DEBUGGING_ROOT_PASSWORD_LABEL" desc="Text for root password entry field label from enable debugging features dialog.">
    root password
   </message>
@@ skipping 3109 matching lines @@
   <message name="IDS_SET_TIME_BUTTON_CLOSE" desc="Text for the button to close the window.">
     Done
   </message>
   <message name="IDS_SET_TIME_DATE_LABEL" desc="Label for the date input element.">
     System date
   </message>
   <message name="IDS_SET_TIME_TIME_LABEL" desc="Label for the time input element.">
     System time
   </message>
 </grit-part>