diff --git a/hws/09_bplus_trees/README.md b/hws/09_bplus_trees/README.md
index 5737ebb..87eab0c 100644
--- a/hws/09_bplus_trees/README.md
+++ b/hws/09_bplus_trees/README.md
@@ -49,7 +49,7 @@ For all products fall into that price range, sort them based on the rating in a
 
 ## Output File Format
 
-The output file should display products information similar to what Amazon does, but exactly the same.
+The output file should display products information similar to what Amazon does, but not exactly the same.
 
 ![alt text](images/amazon_ice_maker.png "amazon ice maker")