Update app file

app.py

@@ -7,17 +7,20 @@ st.set_page_config(
 )
 
 st.title('P&ID Object Detection App')
-st.subheader('Powerful tool to identify valves and pumps', divider='rainbow')
+st.subheader(' Pretrained model able to identify valves and pumps', divider='rainbow')
 st.caption('Developed by Deep Drawings Co.')
 
 st.write('##')
 
-with st.expander("Usage"):
-    st.markdown(
+col1, col2, col3 = st.columns([5, 10, 5])
+with col2:
+    with st.expander("Usage"):
+        st.markdown(
         '''
         1. Upload your P&ID or select example drawings
         2. Set confidence threshold
         3. Press to perform prediction 🚀
         4. Visualize output results
         '''
-    )
+    )
+