cosmetic changes

app.py

@@ -278,7 +278,7 @@ def main():
       
       with st.form('twc_form'):
 
-        uploaded_file = st.file_uploader("Step 1. Upload text file(one sentence in a line) or choose an example text file below.", type=".txt")
+        uploaded_file = st.file_uploader("Step 1. Upload text file(one sentence in a line) or choose an example text file below", type=".txt")
 
         selected_file_index = st.selectbox(label='Example files ',  
                     options = list(dict.keys(example_file_names)), index=0,  key = "twc_file")
@@ -288,7 +288,7 @@ def main():
         selected_model = st.selectbox(label=selection_label,  
                     options = options_arr, index=0,  key = "twc_model")
         st.write("")
-        main_index = st.number_input('Step 3. Enter index of sentence in file to make it the main sentence:',value=1,min_value = 1)
+        main_index = st.number_input('Step 3. Enter index of sentence in file to make it the main sentence',value=1,min_value = 1)
         st.write("")
         submit_button = st.form_submit_button('Run')