AssemblingMachinePrototype.gui_title_key

[Osmo]

https://lua-api.factorio.com/latest/pro ... _title_key
It says

The locale key of the title of the GUI that is shown when the player opens the assembling machine.

From the description it seems like it changes the title of the assembling machine GUI.

Assembling machine GUI

изображение.png (72.4 KiB) Viewed 32 times

What it actually changes is the locale for the recipe selection GUI

Recipe selection GUI

изображение.png (179.92 KiB) Viewed 32 times

It needs to be specified that it is about the recipe selection gui, preferably containing "recipe" and "select" because the default key is "Select a recipe for assembling" and that's what people could be searching for.