Update app.py

app.py

@@ -106,17 +106,24 @@ def nllb(model_name, sl, tl, input_text):
 @spaces.GPU
 def translate_text(input_text: str, sselected_language: str, tselected_language: str, model_name: str) -> str:
     """
-    Translates the input text from the source language to the target language.
+    Translates the input text from the source language to the target language  using a specified model.
 
-    Args:
+    Parameters:
         input_text (str): The source text to be translated
         sselected_language (str): The source language of the input text
         tselected_language (str): The target language in which the input text is translated
-        model_name (str): The selected translation model
+        model_name (str): The selected translation model name
 
     Returns:
-        str: The input text translated to the selected target language
+        tuple: 
+            translated_text(str): The input text translated to the selected target language
+            message_text(str):  A descriptive message summarizing the translation process. Example: "Translated from English to French with Helsinki-NLP."
+    
+    Example:
+        >>> translate_text("Hello world", "English", "German", "Helsinki-NLP")
+        ("Hallo Welt", "Translated from English to German with Helsinki-NLP.")
     """
+    
     sl = all_langs[sselected_language]
     tl = all_langs[tselected_language]
     message_text = f'Translated from {sselected_language} to {tselected_language} with {model_name}'