Update app.py

app.py

@@ -87,7 +87,7 @@ def main():
 
     with st.sidebar:
         st.title("Menu:")
-        pdf_docs = st.file_uploader("Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True)
+        pdf_docs = st.file_uploader("Upload your PDF Files and Click on the Submit & Process Button", accept_multiple_files=True, type=["pdf"])
         if st.button("Submit & Process"):
             with st.spinner("Processing..."):
                 raw_text = get_pdf_text(pdf_docs)