-For instance, lets looks at the `layer_state_set_user` function. Lets enable the [Tri Layer State](ref_functions.md#olkb-tri-layers) functionalitly to all of our boards, and then still have your `keymap.c` still able to use this functionality.
+For instance, let's look at the `layer_state_set_user()` function. You can enable the [Tri Layer State](ref_functions.md#olkb-tri-layers) functionality on all of your boards, while also retaining the Tri Layer functionality in your `keymap.c` files.