Enable locales for fields
Once locales are set up in your environment, the next step is to enable them for fields.
To enable localization of fields:
Log in to the Contentful web app.
Go to the Content model tab.
Go to the required content type and click to open it. The content type editor is displayed.
Go to the required field and click Edit.
In the Settings tab, select the Enable localization of this field checkbox under the Field options area.
Click Confirm to save changes.
Click Save to apply changes to the content type. All entries of your content type can be edited in the locales that are added to your space.