Update tokens.md

tokens.md

@@ -47,13 +47,14 @@ OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
 MONGO_URI = os.getenv("MONGO_URI")
 ```
 
-## Alternative Methods
-### Using Streamlit secrets.toml
-```toml
-# .streamlit/secrets.toml
-HUGGINGFACEHUB_API_TOKEN = "your_token_here"
-OPENAI_API_KEY = "your_key_here"
-MONGO_URI = "your_mongodb_uri_here"
+## Alternative Method
+```python
+import streamlit as st
+
+# Load environment variable(s)
+HUGGINGFACEHUB_API_TOKEN = st.secrets["HUGGINGFACEHUB_API_TOKEN"]
+OPENAI_API_KEY = st.secrets["OPENAI_API_KEY"]
+MONGO_URI = st.secrets["MONGO_URI"]
 ```
 
 ## Security Best Practices