Fix typo to avoid misleading

[takeeasyman]

New Pull Request Checklist

• I have read and understood the CONTRIBUTING guide
• I have read the Documentation
• I have searched for a similar pull request in the project and found none

• I have updated this branch with the latest master to avoid conflicts (via merge from master or rebase)
• I have added the required tests to prove the fix/feature I am adding
• I have updated the documentation (if necessary)
• I have run the tests and they pass
• I have run the lint and it passes (pod lib lint)

This merge request fixes / refers to the following issues: n/a

Pull Request Description

Fix a typo of README to avoid misleading when people copying and pasting the products name to Package.swift

[ffried]

@takeeasyman Thanks!