fix for wording bug, #340052. r/a=beng

browser/locales/en-US/chrome/browser/migration/migration.dtd

@@ -36,7 +36,7 @@
 
 <!ENTITY noMigrationSources.label       "No programs that contain bookmarks, history or password data could be found.">
 
-<!ENTITY importSource.title             "Import Settings and Data From">
+<!ENTITY importSource.title             "Import Settings and Data">
 <!ENTITY importItems.title              "Items to Import">
 <!ENTITY importItems.label              "Select which items to import:">