Editor: Fix second welcome tip instructs the user to open a control t…

…hat's already open. (#12911)

* fix the text of second welcome tip instruction

* Fix Typo

* Update index.js

packages/edit-post/src/components/header/index.js

@@ -69,7 +69,7 @@ function Header( {
 						shortcut={ shortcuts.toggleSidebar }
 					/>
 					<DotTip tipId="core/editor.settings">
-						{ __( 'You’ll find more settings for your page and blocks in the sidebar. Click “Settings” to open it.' ) }
+						{ __( 'You’ll find more settings for your page and blocks in the sidebar. Click the cog icon to toggle the sidebar open and closed.' ) }
 					</DotTip>
 				</div>
 				<PinnedPlugins.Slot />