Update base.rb [ci skip]

[ghost]

Replaces "over written" with "overwritten"

[rails-bot]

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[kaspth]

👋, @Sarah-Alsinan I noticed you put [ci skip] in the PR title (and in the PR description here #24044), but it has to be in your commit message for our CI to be skipped.

However, that doesn't block this at all and is just a nicety. Thanks, I'll merge!