Typo in new armour trims

Where is the typo?

where it says "Armor" trim

Thank you for your report!
However, this issue is Invalid.

Minecraft's source strings follow the "English (US)" spelling. Translations for languages other than "English (US)" are done by the community and take place on the Crowdin Minecraft Translation Project.
Please use Crowdin for suggesting and adding translations for other English variants. Note that it takes some time for Crowdin translations to be transferred in-game, and for "Armor" to turn into "Armour" in your selected English variant.

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It's not invalid, it's mismatched

English (US) is the ONLY language for which issues are accepted here, the rest are not accepted, including UK, Australian, upside down, etc.