Improve README

README.md

@@ -60,6 +60,18 @@ UTMConversion.retrieve_utm_data([session_id])
 
 * Implement the `record_conversion(session_id, event_data)` method in your chosen storage adapter to record conversions along with the associated session ID and any relevant event data.
 
+To record a new conversion:
+
+```ruby
+UTMConversion.record_conversion(session_id, event_data)
+```
+
+UTM data is stored automatically, but to call it manually you can use the following method:
+
+```ruby
+UTMConversion.store_utm_data(session_id, event_data)
+```
+
 ## Customization
 
 * Storage Adapters: