app: minor Interface updates

app.py

@@ -47,13 +47,15 @@ with gr.Blocks() as demo:
     gr.Markdown("# RAG-Chatbot")
     gr.Markdown("## Instructions")
     gr.Markdown("""
-                Upload PDF's that will form the basis of the database of our RAG-Chatbot. 
-                Once done adding documents (multiple uploads allowed), initialize the Rag-Chatbot.
-                Building time depends on the number and length of uploaded documents.
-                When the building is done, you can start chatting!
+                Upload PDF's that will form the basis of the database for our RAG-Chatbot. 
+                Once done adding documents (multiple uploads allowed), click `Initialize` to start the building process.
+                Note that building time depends on the number and length of uploaded documents.
+                When the building is done, 
+                as will be indicated by `RAG-Chatbot initialized successfully!` in the Initialization Status box, 
+                you can start chatting!
                 """)
     # PDFs
-    gr.Markdown("## 1. Build a RAG-Chatbot")
+    gr.Markdown("## 1. Build the bot")
     pdfpaths = gr.State([])
     file_output = gr.File()
     upload_button = gr.UploadButton("Upload PDF(s)",  file_count="multiple")
@@ -63,7 +65,7 @@ with gr.Blocks() as demo:
         outputs=[file_output, pdfpaths])
     # State to store the RAG instance
     rag_instance = gr.State(None)  # Initially None
-    init_button = gr.Button("Initialize RAG-Chatbot")
+    init_button = gr.Button("Initialize")
     init_status = gr.Textbox(label="Initialization Status", interactive=False)
     # Event handlers
     init_button.click(
@@ -71,7 +73,7 @@ with gr.Blocks() as demo:
         inputs=[pdfpaths],
         outputs=[init_status, rag_instance]  # Output: status message and the RAG instance
     )
-    gr.Markdown('## 2. Chat with Rag-Chatbot')
+    gr.Markdown('## 2. Chat')
     # Chat Interface for RAG-Chatbot
     gr.ChatInterface(
         fn=get_rag_response,