"LOL"

app.py

@@ -34,7 +34,18 @@ st.markdown("---")
 st.markdown("👨‍💻 **Author:** Nguyễn Trung Hiếu")
 st.markdown("🔗 [GitHub Repository](https://github.com/hieunguyen-cyber/KnowFlow.git)")
 st.markdown("---")
-
+st.markdown("""
+## 🎯 Purpose  
+KnowFlow automates the process of converting lecture documents (PDF, DOCX) into narrated videos with structured explanations. It extracts text, formulas, and images, generates explanations, converts text to speech, and assembles everything into a video.  
+
+## 🛠️ How to Use  
+1️⃣ **Upload a lecture file (PDF, DOCX)**.  
+2️⃣ **Select processing options** (text extraction, summarization, TTS).  
+3️⃣ **Generate the video** – the system will process and compile it.  
+4️⃣ **Download the final video** for review or sharing.  
+
+🚀 Fully open-source and free to use!
+""")
 # Upload file PDF
 uploaded_file = st.file_uploader("📂 Upload your document (PDF)", type=["pdf","docx"])