update github link

app.py

@@ -73,7 +73,7 @@ with block:
     It uses ChatGPT + embeddings to search the docs for relevant sections and uses them to answer questions. It can then cite its sources back to you to verify the information.
     Note that LLMs are prone to hallucination, so all outputs should always be vetted by users.
 
-    #### The Code is open-sourced and available on [Github](www.github.com/jerpint/buster)
+    #### The Code is open-sourced and available on [Github](https://www.github.com/jerpint/buster)
     """
     )