[native] [fix] [ENG-1016] fix prompt copy

Summary: Update copy, confirm with @ashoat, adding ashoat as review because it's copy that he should have final review on.

Test Plan: N/A not changing functionality, just the content.

Reviewers: ashoat

Reviewed By: ashoat

Subscribers: palys-swm, Adrian, atul, karol-bisztyga, yayabosh, ashoat

Differential Revision: https://phabricator.ashoat.com/D3819