diff --git a/README.md b/README.md
index 19155a0..1d9a6b6 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ The project provides tools to analyze hashtags based on data downloaded using ti
 
 ## Pre-conditions
 1. Download and install TikTok scraper: https://github.com/drawrowfly/tiktok-scraper
+2. Download posts relating to a hashtag in json format. Example: tiktok-scraper tokyo2021 -t 'json'
 
 ## extract_date.py
 1. Use the following command: python3 extract_date.py target_file.json hashtag_name