In Java edition, the "Sniper Duel" advancement has the length unit written as "metres". However, the "Bullseye" advancement has it spelled as "meters". It may be a minor issue, but it bugs me to see it every time I open the advancements menu.
MC-213510
Advancement Spelling Inconsistency
Resolved
Invalid
0
Issues with alternate translations such as UK english can be resolved on crowdin: https://crowdin.com/translate/minecraft/9428/enus-engb