Clicking "Improve" on https://docs.fivem.net/natives/?_0x829F2E2 sends you to https://github.com/citizenfx/fivem/edit/master/ext/native-decls/SetPedPropIndex.md (Error 404) it **should** send you to https://github.com/citizenfx/natives/edit/master/PED/SetPedPropIndex.md