DOCS-5061

Author: Michael Paik

source/tutorial/model-tree-structures-with-materialized-paths.txt

@@ -82,7 +82,7 @@ storing the path in the field ``path``; the path string uses the comma
     significantly.
 
   - For queries of the ``Programming`` sub-tree
-    (e.g. ``/,Programming,/``), or similar queries of sub-tress, where
+    (e.g. ``/,Programming,/``), or similar queries of sub-trees, where
     the node might be in the middle of the indexed string, the query
     must inspect the entire index.