Update Docs (#448)

the outpiout is in french not Spanish

Co-authored-by: guillaume-be <[email protected]>

README.md

@@ -286,7 +286,7 @@ let model = TranslationModelBuilder::new()
         .with_target_languages(vec![Language::Spanish, Language::French, Language::Italian])
         .create_model()?;
     let input_text = "This is a sentence to be translated";
-    let output = model.translate(&[input_text], None, Language::Spanish)?;
+    let output = model.translate(&[input_text], None, Language::French)?;
     for sentence in output {
         println!("{}", sentence);
     }