String changes in UI for enabling roaming data.

Bug: 18361751
Change-Id: I875368b0cc0c1835097f72bd3b9ac81a73daa982
diff --git a/res/values/strings.xml b/res/values/strings.xml
index c47db4f..3a7961a 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -442,7 +442,9 @@
          "data roaming" feature turned off. -->
     <string name="roaming_reenable_message">You\'ve lost data connectivity because you left your home network with data roaming turned off.</string>
     <!-- Mobile network settings screen, dialog message when user selects the Data roaming check box -->
-    <string name="roaming_warning">Allow data usage when roaming? Significant charges may apply.</string>
+    <string name="roaming_warning">You may incur significant charges.</string>
+    <!-- Mobile network settings screen, dialog message title when user selects the Data roaming check box -->
+    <string name="roaming_alert_title">Allow data roaming?</string>
 
     <!-- USSD aggregation dialog box: separator strings between messages (new-lines will be added before and after) -->
     <string name="ussd_dialog_sep" translatable="false">----------</string>