Keybinding descriptions are a way to provide a description for a keybinding that are shown as a tooltip when hovering over the keybinding in the controls menu.
You can add descriptions by defining translations for the keybinding's translation key with the suffix .amecs.description.
Navigate to the maven repository and select the correct package for the version of Minecraft you are developing for. You can then copy the dependency definition from the top of the page.
This mod is licensed under the Apache 2.0 license.