diff --git a/README.md b/README.md
index 2d7fbbc..d785c67 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,9 @@ A python telegram bot to help track daily expenses onto google sheet, hosted on
 ## Release Notes
 You can find the release notes over [here](https://github.com/brucewzj99/tele-tracker-v2/blob/master/release_notes.md).
 
+## FAQ
+You can find the FAQ over [here](https://github.com/brucewzj99/tele-tracker-v2/blob/main/FAQ.md).
+
 ## Table of Contents
 - [Getting Started (Users)](#getting-started-users)
 - [Getting Started (Developers)](#getting-started-developers)
@@ -43,7 +46,6 @@ pip install -r requirements.txt
 ``` .env
 BOT_TOKEN=your_bot_token
 TEST_TOKEN=your_test_token
-DATABASE_URL=firebase_url
 GOOGLE_API_EMAIL=google_api_email
 FIREBASE_JSON=service_account_key
 GOOGLE_JSON=service_account_key
diff --git a/requirements.txt b/requirements.txt
index 41b211a..31f9d98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -42,6 +42,7 @@ PyJWT==2.7.0
 pyngrok==6.0.0
 pyparsing==3.0.9
 pytest==8.2.0
+python-dotenv==1.0.1
 python-telegram-bot==13.7
 pytz==2023.3
 PyYAML==6.0