Translating app text, fixing small text issue.

main.py

@@ -108,7 +108,7 @@ def qa_result(_):
                         pn.panel("\U0001F916", width=10),
                         pn.Column(
                             result["result"],
-                            "Relevant source Panel Applicationtext:",
+                            "Fontes:",
                             pn.pane.Markdown(
                                 '\n--------------------------------------------------------------------\n'.join(
                                     doc.page_content for doc in result["source_documents"]))
@@ -129,15 +129,15 @@ qa_interactive = pn.panel(
     loading_indicator=True,
 )
 
-output = pn.WidgetBox('*Output will show up here:*', qa_interactive, width=630, scroll=True)
+output = pn.WidgetBox('*As respstas aparecerão aqui:*', qa_interactive, width=630, scroll=True)
 
 # layout
 pn.Column(
     pn.pane.Markdown("""
-    ## \U0001F60A! Question Answering with your PDF file 
+    ## \U0001F60A! Perguntas e respostas com um PDF 
     (original implementation: @sophiamyang)
 
-    1) Upload a PDF. 2) Enter OpenAI API key. 3) Type a question and click "Run".
+    1) Suba o PDF. 2) Entre com a OpenAI API key. 3) Digite a pergunta e clique "Run".
 
     """),
     pn.Row(file_input, openaikey),