Update app.py

app.py

@@ -64,24 +64,61 @@ with gr.Blocks(css="style.css") as demo:
     <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
     """)
 
-    gr.Markdown("# Unified Deepfake Detection System")
+    gr.Markdown("# AI Driven Deepfake Detection System")
 
     with gr.Tabs():
 
+        # =========================
         # HOME TAB
+        # =========================
         with gr.Tab("Home"):
             gr.Markdown("""
-            ## Welcome  
-            Select the type of media you want to analyze.
+            ## Welcome
+
+            This system detects AI-generated (deepfake) content in images and audio using
+            transformer-based deep learning models.
+            """)
+
+            gr.Markdown("""
+            ### Supported inputs
+            - Images: JPG, PNG (face-centric images recommended)
+            - Audio: WAV format (clear speech preferred)
+            """)
+
+            gr.Markdown("""
+            ### How to use
+            1. Select a detection mode using the tabs above.
+            2. Upload an image or audio file.
+            3. Click **Submit** to start analysis.
+            4. Review the prediction, confidence score, and risk assessment.
             """)
+
+            gr.Markdown("""
+            ### Understanding the results
+            - **Prediction**: Model decision (Real / Fake)
+            - **Confidence**: Certainty percentage of the prediction
+            - **Risk Assessment**:
+              - High likelihood → strong indication
+              - Possibly → caution advised
+              - Uncertain → manual review recommended
+            """)
+
+            gr.Markdown("""
+            ### Explainability
+            For images, attention heatmaps highlight the facial regions that influenced
+            the model’s decision, supporting transparency and forensic analysis.
+            """)
+
             gr.Markdown("""
-            **Detection Modes Available**
-            - Image Deepfake Detection  
-            - Audio Deepfake Detection  
+            ### Data privacy & intended use
+            Uploaded files are processed temporarily and are not stored.
+            This system is intended as a decision-support tool and should not be used
+            as the sole source of verification.
             """)
-            gr.Markdown("Use the tabs above to proceed.")
 
+        # =========================
         # IMAGE TAB
+        # =========================
         with gr.Tab("Image Deepfake"):
             gr.Markdown("## Deepfake Image Detection")
 
@@ -116,7 +153,9 @@ with gr.Blocks(css="style.css") as demo:
                 outputs=[image_input, img_pred, img_conf, img_risk]
             )
 
+        # =========================
         # AUDIO TAB
+        # =========================
         with gr.Tab("Audio Deepfake"):
             gr.Markdown("## Deepfake Audio Detection")