diff --git a/README.md b/README.md
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--- a/README.md
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@@ -1,6 +1,7 @@
 ## Find Duplicate and Similar Images
 
-Finds duplicates and similar images in a defined path. Set the image to search for similar images or the path for finding duplicates in main.py
+Finds duplicates and similar images in a defined path. Set the image to search for similar images or the path for finding duplicates in main.py.
+hash_size of 8 means, the image will be resized to an 8x8 matrix. So, if you want to improve performance, you can try to increase the hash_size.
 
 ## Install Requirements