Update app.py

src/app.py

@@ -250,7 +250,7 @@ if not model_loaded:
 # --- Two columns: Input text & button | Result displays ---
 text_input = st.text_area(
     label="📝 Input Text to be Detected",
-    placeholder="Paste your text to be detected here. Typically, providing text with a longer content would get a more reliable result.",
+    placeholder="Paste your text here",
     height=240,
     label_visibility="hidden",
 )
@@ -397,10 +397,10 @@ if detect_clicked:
                 """,
                 unsafe_allow_html=True
             )
-            with st.expander("📋 Illustration and Suggestions"):
+            with st.expander("📋 Interpretation and Suggestions"):
                 st.markdown(
                     """
-                    + Illustration:
+                    + Interpretation:
                         - $p$-value: Lower $p$-value (closer to 0) indicates text is **more likely AI-generated**; Higher $p$-value (closer to 1) indicates text is **more likely human-written**.
                         - Significance Level (α): a threshold set by the user to determine the sensitivity of the detection. Lower α means stricter criteria for claiming the text is AI-generated.