typo fix on "Notifications" page
typo fix on "Notifications" page
typo fix on "actionbar" page
remove a sentence on "actionbar" page from origin
typo fix on "navigation-drawer" page
typo fix on "app-structure" page
typo fix on "touch-feedback" page
typo fix on "iconography" page
typo fix on "writing" page
typo fix on "new" page
typo fix on "navigation" page
typo fix on "multi-pane-layouts" page
typo fix on "swipe-views" page
typo fix on "fullscreen" page
typo fix on "selection" page
typo fix on "confirming-acknowledging" page
typo fix on "widgets" page
typo fix on "settings" page
typo fix on "help" page
typo fix on "settings" page