Changing label name to your documents is very simple. Follow the steps below to know how to change the label name to your documents.
Step 1: Go to Settings > Document Design
Step 2:- Click on "Modify Fields name values" under "Fields name & values".
Step 3:- After click on "Modify Field name & Values", you will redirect to a pop-up, from this pop-up, you can change your label names and values. After all changes, click on "Save".