Update README.md

README.md

@@ -19,7 +19,8 @@ This tool is designed to help users visualize the distribution and frequency of
 <li>Interactive Mapping: Utilizes Folium to create dynamic maps that display geographical data based on UK postcodes.
 <li>Frequency Visualization: Generates heatmaps to indicate the frequency of postcodes, distinguishing between areas with varying densities.
 <li>File Upload Capability: Allows users to upload their postcode data in CSV or Excel formats directly through a web interface.
+<li>Dynamic Postcode Detection: Automatically identifies the relevant column for postcodes in the uploaded file.
 <li>Customizable Visuals: Supports different heatmap intensities and colors based on data frequency, enhancing the analytical utility of the maps.
 
 <h2>Usage</h2>
-Import an Excel or CSV file containing all the postcodes under a column called "Postal code".
+Import an Excel or CSV file containing UK postcodes.