Docs fix: correct old reference to depth handling in inline comeent

Author: pattonwebz

README.md

@@ -68,14 +68,14 @@ Add or update any `wp_nav_menu()` functions in your theme (often found in `heade
 ```php
 <?php
 wp_nav_menu( array(
-    'theme_location'	=> 'primary',
-    'depth'				=> 1, // 1 = with dropdowns, 0 = no dropdowns.
-	'container'			=> 'div',
-	'container_class'	=> 'collapse navbar-collapse',
-	'container_id'		=> 'bs-example-navbar-collapse-1',
-	'menu_class'		=> 'navbar-nav mr-auto',
-    'fallback_cb'		=> 'WP_Bootstrap_Navwalker::fallback',
-    'walker'			=> new WP_Bootstrap_Navwalker()
+    'theme_location'  => 'primary',
+    'depth'	          => 2, // 1 = no dropdowns, 2 = with dropdowns.
+	'container'       => 'div',
+	'container_class' => 'collapse navbar-collapse',
+	'container_id'    => 'bs-example-navbar-collapse-1',
+	'menu_class'      => 'navbar-nav mr-auto',
+    'fallback_cb'     => 'WP_Bootstrap_Navwalker::fallback',
+    'walker'          => new WP_Bootstrap_Navwalker(),
 ) );
 ?>
 ```