73 pt fix template for e mails

Closes foodsharing-dev/issues0#73

What does this MR do?

Spelling fix

no test needed as it is about spelling

How confident are you it won't break things if deployed?

very

Checklist

• added a test, or explain why one is not needed/possible...
• no unrelated changes
• asked someone for a code review
• joined #foodsharing-beta channel at https://slackin.yunity.org
• added an entry to CHANGELOG.md (description, merge request link, username(s))