[Bug] Korean translation crash

[bltojuice]

Is there an existing issue for this?

• I have searched the existing issues

Observed behaviour

In Korean version, one file(handbook_ko_kr.json) has one problem.
In end of file, braces is missing.

Expected behaviour

Error and crashed

Steps to reproduce

Install that mod, and play minecraft in Korean.

Crashlog

No response

Environment (Singleplayer/Server, etc.)

Singleplayer

Mod version

4.3.14

Minecraft version

1.12.2

Forge version

1.12.2-14.23.5.2859

Other mods

No response

[WinDanesz]

Same as #892