Please follow the steps to correct the mapping. 

1. First undo the import so wrong data will be deleted. 

Click on Import > Import Logs. Go to Completed tab and click on Undo.

2. Click on Import. Select the CAS template and click on 'Asset and Broker Mapping'.

3. Go to user mapping tab and delete the incorrect mapping. 

4. Re-import the statement again and map it to correct fund name.