Update description info

app.py

@@ -63,6 +63,14 @@ def read_pdf_file(pdf_path: Path) -> bytes:
 
 st.title("PDF and Markdown Viewer")
 
+st.markdown("""
+    This is a demo of different PDF parsing methods.
+    
+    For more information, see:
+    - [Blog post](https://nbrosse.github.io/posts/pdf-parsing/pdf-parsing.html)
+    - [GitHub repository](https://github.com/nbrosse/pdf-parsing)
+""")
+
 method = st.selectbox("Choose method", options=["docling", "llamaparse", "marker-pdf", "pymupdf", "gemini", "mistral"])
 markdown_folder = repo_folder / f"{method}-folder" / "md"
 filename = st.selectbox("Choose filename", options=pdfs_files)