fix typo

app.py

@@ -61,7 +61,7 @@ def run_inference(image_path, text, model, tokenizer):
 
 tokenizer, model = load_tokenizer_and_model()
 st.title("Diagnosis Scoring")
-uploaded_file = st.file_uploader("Choose an chest x-ray...", type=["png", "jpg"])
+uploaded_file = st.file_uploader("Choose a Chest x-ray...", type=["png", "jpg"])
 text_input = st.text_input("Type the doctor diagnosis")
 if uploaded_file is not None and text_input:
     local_image_path = None