fix a little error

[hypogram]

Email, use a custom domain.

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So that your request can be dealt with quickly, please complete the applicable fields below and the checklist. Thank you :)

Category

Spelling or Grammar

Overview

The email section, use a custom domain part, it may be "assigned by" rather than "assigned my".

Issue Number (if applicable)

#215

Supporting Material (if applicable)

If you are adding a software or service, please include here a link to the GitHub repo, any published security audits or other supporting material.

Association (if applicable)

If you are adding a new application or service, please indicate if you are associated with the project in anyway.

Checklist

Please complete the following checklist

• I have performed a self-review (valid markdown formatting, spelling and grammar)
• I have indicated whether I have any affiliation with any software/ services added
• I agree to follow the repositories code of conduct

[Lissy93]

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