Update 'README.md'

README.md

@@ -5,9 +5,9 @@ WITH RECURSIVE parent_path (id, title, description, path) AS
     FROM items
     WHERE parent_id IS NULL
   UNION ALL
-  SELECT i.id, i.title, i.description, CONCAT(ip.path, ' > ', i.title)
-    FROM parent_path AS ip JOIN items AS i
-      ON ip.id = i.parent_id
+  SELECT items.id, items.title, items.description, CONCAT(parent.path, ' > ', items.title)
+    FROM parent_path AS parent JOIN items
+      ON parent.id = items.parent_id
 )
 SELECT * FROM parent_path WHERE id = 38;
 ```